Games like Fortified on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Fortified are available at the bottom of the page.

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Rune Teller Become a powerful Rune Teller traveling through the open world of the Runegea. Recruit great colleagues for a fun journey, craft through a variety of items, and solve the requests of the Runegea residents. At the end of a long journey, you will find the reason for your resurrection.

Similarity 50%
Price 19.50€
Rating 6.7
Release 09 Feb 2023
SwarmZ Face massive zombie swarms in this funny post-apocalyptic tactical sandbox! Do you know what it's like to be surrounded by 100,000 zombies? Well, you're about to find out!

Similarity 50%
Price 4.99€
Rating 6.3
Release 29 Nov 2019
FORCED: Slightly Better Edition FORCED is a challenging 1-4-player game with co-op at its heart! A mix of tactical arcade action, RPG elements and puzzles will forge you and your friends together. As slaves in the toughest gladiator school of them all, you will face a plethora of unique trials - designed to be your death!

Similarity 50%
Price 13.99€
Rating 7.2
Release 24 Oct 2013
Moving Out Moving Out is a ridiculous physics-based moving simulator that brings new meaning to "couch co-op"! Are you ready for an exciting career in furniture? As a newly certified Furniture Arrangement & Relocation Technician, you’ll take on moving jobs all across the busy town of Packmore.

Similarity 50%
Price -96% 1.10€
Rating 7.6
Release 28 Apr 2020
Forge Quest Forge Quest is a dungeon crawling rpg set in a voxel world. Explore the land full of chickens on a light hearted quest to become a hero. Delve deep into the randomly generated dungeons to battle monsters, find treasure and craft your equipment. Invite your friends to join your world and help you in your adventure.

Similarity 50%
Price 0.99€
Rating 7.5
Release 29 May 2015
Bird Assassin Birds murdered your Pa! His final wishes are for vengeance. Take your Pa's rifle and kill as many birds as you can to avenge his death. Battle a variety of enemies and bosses on your quest to kill the bird that murdered your Pa.

Similarity 50%
Price 1.99€
Rating 8.2
Release 27 Aug 2014
Reflex A simple puzzle game. Simple graphics and nice music. Try your mind in more than 70+ levels. They are waiting for you.

Similarity 50%
Price 0.99€
Rating 8.1
Release 23 Nov 2017
Rabbit Hole 3D: Steam Edition Rabbit Hole 3D: Steam Edition is a minimalistic retro puzzle game. The game features 3D word puzzles based on Chapter 1 of Alice in Wonderland by Lewis Carroll. Players must navigate through keywords from the book’s initial chapter.

Similarity 50%
Price 2.99€
Rating 6.0
Release 25 Apr 2014
Spin Rush Spin Rush is 2D arcade game, where you have to collect dots and match colors.

Similarity 50%
Price -99% 0.44€
Rating 7.2
Release 16 Sep 2016
Fly O'Clock Fly O’Clock is tiny, highly-addictive single & online multiplayer arcade endless jumper with innovative one-touch mechanics and unique pixel-art graphics.

Similarity 50%
Price -64% 0.36€
Rating 8.2
Release 08 Jul 2016
Xenon Racer It’s the year 2030, the era of flying vehicles. A one-off championship for wheel based vehicles has been organised, with cutting-edge electric cars boosted by Xenon gas. Drift through cities like Tokyo and Dubai as fast as you can and claim eternal glory!

Similarity 50%
Price 14.79€
Rating 6.4
Release 26 Mar 2019
Apotheon Arena Apotheon Arena is the free online-multiplayer complement to the mythic Greek action RPG, Apotheon. Pit your skills with spear and shield against other players in brutal bronze-age combat. Battle across the statuesque arenas of Olympus, depicted with beautiful black-figure pottery artwork.

Similarity 50%
Price Free to play
Rating 7.8
Release 08 Dec 2015
ENDLESS™ Dungeon ENDLESS™ Dungeon is a Rogue-lite Tactical Action game, set in the award-winning ENDLESS™ Universe. Recruit a team of shipwrecked heroes, plunge into a long-abandoned space station, and protect your crystal against never-ending waves of monsters… or die trying, get reloaded, and try again.

Similarity 50%
Price 19.99€
Rating 6.4
Release 19 Oct 2023
10 Miles To Safety The Apocalypse has arrived and your goal is simple: Make it 10 miles to safety through a limitless procedurally-generated world overrun with The Infected and packed with the tools and weapons to fight them.

Similarity 50%
Price 7.95€
Rating 7.0
Release 21 Oct 2020
Indie Pogo Indie Pogo is a platform brawler game for 2-4 players about bouncing, ricocheting, and pogoing your friends into oblivion! Gather your friends for 2-4 player local romps, or climb the online ladder in the bounciest of battles. Prepare yourself for a rompin' stompin' jumpin' good time!

Similarity 50%
Price 12.49€
Rating 7.8
Release 10 Jul 2018
Lead and Gold: Gangs of the Wild West Lead and Gold: Gangs of the Wild West is a third-person shooter that delivers an intense team-based multiplayer experience. Relive the violent era of the Wild West with adrenaline-fueled action and fast-paced gunfights. Engage in gritty battles in beautifully rendered classic Western settings.

Similarity 50%
Price -97% 0.34€
Rating 7.0
Release 08 Apr 2010
Nova-Life: Amboise Nova-Life: Amboise is a multiplayer role-play simulation video game. Create your character and start your second life!

Similarity 50%
Price Free to play
Rating 7.6
Release 22 Apr 2019
Serious Sam HD: The Second Encounter Serious Sam HD: The Second Encounter is a visually upgraded and fully Steam supported remake of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month!

Similarity 50%
Price -75% 5.08€
Rating 8.6
Release 28 Apr 2010
Livelock Livelock is a co-operative top-down shooter where you play solo or with up to two allies to break the cycle of infinite war between machines. As one of the remaining Capital Intellects, your role is to unlock Eden and revive humanity.

Similarity 50%
Price -91% 0.95€
Rating 7.6
Release 30 Aug 2016
Techwars: Global Conflict TechWars: Global Conflict is the world’s first isometric PVP mecha-action with direct control. Only the strongest player will be able to win in this war of titanic mechs. Use all the features of world’s realistic technology Techwars. Victory in every battle will bring you closer to creating your own death machine.

Similarity 50%
Price Free to play
Rating 6.4
Release 21 Dec 2017
Behold the Kickmen BEHOLD THE KICKMEN is a football game made by someone who has no understanding of, or interest in, what is affectionately known as "The Wonderful Game". Start at the bottom of the Big Boring Football Spreadsheet and grind your way up to become the best at the football anyone's ever seen.

Similarity 50%
Price 3.99€
Rating 7.4
Release 20 Jul 2017
Creeper World 3: Arc Eternal Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

Similarity 50%
Price -23% 11.56€
Rating 9.3
Release 27 Mar 2014
Soldat Soldat is a unique 2D (side-view) multiplayer action game. Soldiers fight against each other in 2D battle arenas using a deadly arsenal of military weapons, across 7 default game modes.

Similarity 50%
Price Free to play
Rating 9.0
Release 15 Apr 2020
Hover Junkers Engage in multiplayer VR gunfights that capture real gun play like no FPS you've played before. Pilot and fortify Hover Junkers as you physically walk, duck, dodge and aim in cross ship combat.

Similarity 50%
Price 19.50€
Rating 6.1
Release 05 Apr 2016

Most played games like Fortified on Steam

Take a look at the top games like Fortified that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.

1. Bloons TD 6

Similarity 51% The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available. Bloons TD 6 is a tower defense, strategy and multiplayer game developed and published by Ninja Kiwi. Released on December 17th 2018 has received 353,960 reviews of which 344,269 were positive and 9,691 were negative resulting in an impressive rating of 9.6 out of 10. The game has hit the top spot as the #1 most played game like Fortified, thanks to its 9,200 peak concurrent players over the last day.
9.6
344,269
9,691

9,200
players

2. Orcs Must Die! Deathtrap

Similarity 72% Orcs Must Die! Deathtrap combines chaotic third-person combat with devious trap-laying strategy. Enjoy endless replayability as your War Mage grows stronger through roguelite progression. Repel relentless orc hordes solo or with up to 4 players. Orcs Must Die! Deathtrap is a tower defense, third-person shooter and co-op game developed and published by Robot Entertainment. Released on January 28th 2025 has received 3,338 reviews of which 2,388 were positive and 950 were negative resulting in a rating of 7.0 out of 10. While seeing 535 players online at once in the last 24 hours, this game is currently ranked #2 among games like Fortified based on player count.
7.0
2,388
950

535
players

3. The Perfect Tower II

Similarity 53% The Perfect Tower II is a mix between an incremental and a tower defense game. Build a town, manage resources and explore a variety of mini-games and tons of upgrades. Fully automate your game and watch numbers going up! The Perfect Tower II is a strategy, idler and tower defense game developed and published by Fire Sword Studios. Released on February 26th 2021 has received 3,639 reviews of which 3,201 were positive and 438 were negative resulting in a rating of 8.5 out of 10. While seeing 526 players online at once in the last 24 hours, this game is currently ranked #3 among games like Fortified based on player count.
8.5
3,201
438

526
players

4. Bloons TD Battles 2

Similarity 57% From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons! Bloons TD Battles 2 is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on November 30th 2021 has received 32,320 reviews of which 27,193 were positive and 5,127 were negative resulting in a rating of 8.3 out of 10. With 477 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Fortified.
8.3
27,193
5,127

477
players

5. Gears 5

Similarity 50% From one of gaming’s most acclaimed sagas, Gears is bigger than ever. With all-out war descending, Kait Diaz breaks away to uncover her connection to the enemy and discovers the true danger to Sera – herself. Gears 5 is a action, adventure and third-person shooter game developed by The Coalition and published by Xbox Game Studios. Released on September 09th 2019 has received 23,309 reviews of which 16,400 were positive and 6,909 were negative resulting in a rating of 6.9 out of 10. With 371 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Fortified.
6.9
16,400
6,909

371
players

6. Bloons TD Battles

Similarity 58% Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses. Bloons TD Battles is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on April 20th 2016 has received 29,096 reviews of which 26,414 were positive and 2,682 were negative resulting in a rating of 8.9 out of 10. With 275 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Fortified.
8.9
26,414
2,682

275
players

7. Bloons Monkey City

Similarity 57% Create, upgrade, and customize your very own Bloons Monkey City in this groundbreaking blend of city building and tower defense awesomeness! Bloons Monkey City is a free to play, strategy and action game developed and published by Ninja Kiwi. Released on April 10th 2020 has received 6,222 reviews of which 5,676 were positive and 546 were negative resulting in a rating of 8.8 out of 10. With 272 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Fortified.
8.8
5,676
546

272
players

8. Cube Racer

Similarity 55% Cube Racer is a round based multiplayer racing game with cubes. Every round, all players race against each other to the finish line. Before every round, the players get to build one or more obstacles on the map. In the next round, all players have to pass all the obstacles, which have been built yet. Cube Racer is a indie, action and casual game developed and published by Simon Blasen. Released on October 30th 2017 has received 1,980 reviews of which 1,791 were positive and 189 were negative resulting in a rating of 8.6 out of 10. With 223 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Fortified.
8.6
1,791
189

223
players

9. Bloons TD 5

Similarity 64% Five-star tower defense with unrivaled depth and replayability. The Bloons are back in full HD glory and this time they mean business! Build awesome towers, choose your favorite upgrades, hire new Special Agents, and pop every last invading Bloon in the most popular tower defense series in history. Bloons TD 5 is a tower defense, strategy and co-op game developed and published by Ninja Kiwi. Released on November 19th 2014 has received 11,545 reviews of which 10,926 were positive and 619 were negative resulting in an impressive rating of 9.2 out of 10. With 180 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Fortified.
9.2
10,926
619

180
players

10. Creeper World 3: Arc Eternal

Similarity 50% Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all. Creeper World 3: Arc Eternal is a tower defense, strategy and indie game developed and published by Knuckle Cracker. Released on March 27th 2014 has received 4,647 reviews of which 4,487 were positive and 160 were negative resulting in an impressive rating of 9.3 out of 10. With 172 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Fortified.
9.3
4,487
160

172
players

Best deals on games like Fortified on Steam

Discover fantastic savings with the best discounts on a variety of games like Fortified available on Steam right now, updated on June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Fortified.

1. Spin Rush

Similarity 50% Spin Rush is 2D arcade game, where you have to collect dots and match colors. Spin Rush is a indie, casual and action game developed by EGAMER and published by SA Industry. Released on September 16th 2016 has received 583 reviews of which 442 were positive and 141 were negative resulting in a rating of 7.2 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Fortified.
7.2
442
141

-99% 29.99€ 0.44€

2. Neon Space 2

Similarity 59% Neon Space 2 is a highly anticipated sequel to Neon Space. The game kept all the elements from his predecessor, but at the same time the visuals received a major improvement. Neon Space 2 is a action, indie and casual game developed by EGAMER and published by SA Industry. Released on July 26th 2016 has received 422 reviews of which 298 were positive and 124 were negative resulting in a rating of 6.7 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Fortified.
6.7
298
124

-99% 29.99€ 0.32€

3. HERO DEFENSE

Similarity 82% CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis. HERO DEFENSE is a tower defense, strategy and indie game developed by Happy Tuesday and published by Headup. Released on May 31st 2016 has received 747 reviews of which 471 were positive and 276 were negative resulting in a rating of 6.1 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Fortified.
6.1
471
276

-99% 29.99€ 0.56€

4. X-Morph: Defense

Similarity 82% Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle. X-Morph: Defense is a tower defense, strategy and action game developed by and published by Exor Studios. Released on August 30th 2017 has received 3,823 reviews of which 3,506 were positive and 317 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like Fortified.
8.8
3,506
317

-98% 19.99€ 0.54€

5. Embr

Similarity 55% Fight fires for fun and profit in this unpredictable and frantic multiplayer game. Team up with friends, take on daily challenges and climb to the top of the corporate firefighting ladder. More than one way to become a hero! Embr is a action, simulation and strategy game developed by Muse Games and published by Curve Games. Released on September 23rd 2021 has received 1,961 reviews of which 1,704 were positive and 257 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Fortified.
8.3
1,704
257

-98% 19.99€ 0.57€

6. DG2: Defense Grid 2

Similarity 71% Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges. DG2: Defense Grid 2 is a strategy, tower defense and indie game developed by Hidden Path Entertainment and published by Hidden Path Entertainment and 505 Games. Released on September 23rd 2014 has received 3,163 reviews of which 2,723 were positive and 440 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Fortified.
8.3
2,723
440

-98% 12.49€ 0.26€

7. Police Stories

Similarity 51% A fresh take on top-down shooters with an emphasis on tactics that forces you to make split second decisions. Neutralize criminals, rescue civilians and defuse bombs in Single Player mode or Co-op. And remember - shooting first is not an option! Police Stories is a action, strategy and co-op game developed and published by HypeTrain Digital. Released on September 19th 2019 has received 8,701 reviews of which 7,406 were positive and 1,295 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Fortified.
8.3
7,406
1,295

-98% 19.99€ 0.53€

8. Deathtrap

Similarity 75% Deathtrap is a Tower Defense game with strong action-RPG elements, a game of vicious tricks, killing machines, rotating blades and splattering blood. Deathtrap is a tower defense, rpg and action game developed and published by NeocoreGames. Released on February 04th 2015 has received 2,194 reviews of which 1,842 were positive and 352 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Fortified.
8.1
1,842
352

-98% 19.99€ 0.49€

9. The Blackout Club

Similarity 56% The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed. The Blackout Club is a horror, co-op and indie game developed and published by Question. Released on July 29th 2019 has received 2,847 reviews of which 2,214 were positive and 633 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Fortified.
7.5
2,214
633

-98% 28.99€ 0.68€

10. Rock of Ages 3: Make & Break

Similarity 54% Competitive tower defense meets arcade action and gets rolled up with ACE Team's quirky, Monty Python-esque humor into one giant, creative game for the ages. This time around, you can even make your own levels! Rock of Ages 3: Make & Break is a strategy, action and comedy game developed by ACE Team and Giant Monkey Robot and published by Maximum Entertainment and 3goo. Released on July 21st 2020 has received 1,436 reviews of which 1,075 were positive and 361 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Fortified.
7.2
1,075
361

-98% 29.99€ 0.72€

Free games like Fortified on Steam

Check out this fantastic list of free-to-play games like Fortified you can enjoy on Steam right now, updated on June 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Fortified.

1. The Perfect Tower II

Similarity 53% The Perfect Tower II is a mix between an incremental and a tower defense game. Build a town, manage resources and explore a variety of mini-games and tons of upgrades. Fully automate your game and watch numbers going up! The Perfect Tower II is a strategy, idler and tower defense game developed and published by Fire Sword Studios. Released on February 26th 2021 has received 3,639 reviews of which 3,201 were positive and 438 were negative resulting in a rating of 8.5 out of 10. With 526 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Fortified.
8.5
3,201
438

526
players

2. Bloons TD Battles 2

Similarity 57% From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons! Bloons TD Battles 2 is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on November 30th 2021 has received 32,320 reviews of which 27,193 were positive and 5,127 were negative resulting in a rating of 8.3 out of 10. Thanks to its free to play tag and a daily player base of 477, this game has secured the #2 spot in the ranking of free games like Fortified.
8.3
27,193
5,127

477
players

3. Bloons TD Battles

Similarity 58% Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses. Bloons TD Battles is a free to play, tower defense and multiplayer game developed and published by Ninja Kiwi. Released on April 20th 2016 has received 29,096 reviews of which 26,414 were positive and 2,682 were negative resulting in a rating of 8.9 out of 10. Thanks to its free to play tag and a daily player base of 275, this game has secured the #3 spot in the ranking of free games like Fortified.
8.9
26,414
2,682

275
players

4. Bloons Monkey City

Similarity 57% Create, upgrade, and customize your very own Bloons Monkey City in this groundbreaking blend of city building and tower defense awesomeness! Bloons Monkey City is a free to play, strategy and action game developed and published by Ninja Kiwi. Released on April 10th 2020 has received 6,222 reviews of which 5,676 were positive and 546 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 272 players due to its free access, this strategy game has achieved the #4 position in the best free games like Fortified.
8.8
5,676
546

272
players

5. Cube Racer

Similarity 55% Cube Racer is a round based multiplayer racing game with cubes. Every round, all players race against each other to the finish line. Before every round, the players get to build one or more obstacles on the map. In the next round, all players have to pass all the obstacles, which have been built yet. Cube Racer is a indie, action and casual game developed and published by Simon Blasen. Released on October 30th 2017 has received 1,980 reviews of which 1,791 were positive and 189 were negative resulting in a rating of 8.6 out of 10. Attracting a solid base of 223 players due to its free access, this strategy game has achieved the #5 position in the best free games like Fortified.
8.6
1,791
189

223
players

6. Ninja Kiwi Archive

Similarity 55% Enjoy some of the best loved Flash games of the past in this awesome time capsule of over 60 Ninja Kiwi classics. Experience a piece of history and play the original Flash games that spawned the worldwide phenomenon of Bloons TD. Ninja Kiwi Archive is a casual, arcade and strategy game developed and published by Ninja Kiwi. Released on July 08th 2020 has received 5,439 reviews of which 5,107 were positive and 332 were negative resulting in an impressive rating of 9.1 out of 10. Attracting a solid base of 160 players due to its free access, this strategy game has achieved the #6 position in the best free games like Fortified.
9.1
5,107
332

160
players

7. Bloons Adventure Time TD

Similarity 58% Defend Ooo from the Bloon invasion in this epic tower defense crossover. Bloons Adventure Time TD is a strategy, action and tower defense game developed and published by Ninja Kiwi. Released on January 16th 2019 has received 4,302 reviews of which 3,743 were positive and 559 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #7 spot among the most played free games like Fortified.
8.4
3,743
559

89
players

8. Nova-Life: Amboise

Similarity 50% Nova-Life: Amboise is a multiplayer role-play simulation video game. Create your character and start your second life! Nova-Life: Amboise is a simulation, indie and action game developed and published by TeamNova. Released on April 22nd 2019 has received 1,548 reviews of which 1,219 were positive and 329 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #8 spot among the most played free games like Fortified.
7.6
1,219
329

27
players

9. Alien Swarm

Similarity 50% Co-operative multiplayer game and complete code base available for free. Alien Swarm is a free to play, co-op and action game developed and published by Valve. Released on July 19th 2010 has received 21,274 reviews of which 20,179 were positive and 1,095 were negative resulting in an impressive rating of 9.3 out of 10. The game currently holds the #9 spot among the most played free games like Fortified.
9.3
20,179
1,095

26
players

10. Zombie Defense

Similarity 57% A modern hybrid of the classic RTS and modern Tower Defense. Recruit soldiers, place them on slots and let them shoot incoming waves of zombies by their own. Order supplies, throw grenades, order airstrikes and many more... Perfect mix of strategy, tactics and micromanagement. Zombie Defense is a free to play, zombies and tower defense game developed and published by Home Net Games. Released on September 30th 2016 has received 2,157 reviews of which 1,811 were positive and 346 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #10 spot among the most played free games like Fortified.
8.1
1,811
346

18
players