Games like Thunder Tier One on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Thunder Tier One are available at the bottom of the page.
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Snake Force
Snake Force is an alternative top-down shooting game inspired by the classic game Snake. In this game, you’ll rescue your bros and fight along side with them. You and your bros will stand in a line, and shoot at the same point. Keep the shape of your squad, because bullets hurt whatever they hit.
SYNTHETIK: Arena
Face the varied challenges of the Machine God Zir in ARENA, a standalone expansion for Synthetik: Legion Rising! Leverage the next level in gun-play and experiment with powerful tech in varied action packed Arenas!
Alien Swarm
Co-operative multiplayer game and complete code base available for free.
Pixel Strike 3D
Pixel Strike 3D is a Multiplayer First-Person Shooter that features fast-paced gameplay and a wide variety of player customization. Battle friends and foes from all around the world in over 20 unique game modes, with over 70 available weapons.
Operation: Harsh Doorstop
Operation: Harsh Doorstop is the ultimate, free to play, tactical shooter sandbox. Play singleplayer, multiplayer, or co-op modes and explore thousands of community-created maps, weapons, and vehicles via the Steam Workshop. Created by ex-developers of Squad, Red Orchestra, and Insurgency.
Zero Hour
Zero Hour is a tactical FPS with online team-based game play that takes place in a variety of fictional locations interpreted in Bangladesh with Real-life scale & resource management. It brings a grounded, close quarter combat experience to the game.
SAS: Zombie Assault 4
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.
Insurgency: Sandstorm
Insurgency: Sandstorm is a team-based, tactical FPS based on lethal close quarters combat and objective-oriented multiplayer gameplay. Experience the intensity of modern combat where skill is rewarded, and teamwork wins the fight.
GROUND BRANCH
From one of the developers behind the original Rainbow Six® and Ghost Recon® games, comes a thinking-man's first-person shooter featuring in-depth character and weapon customization. Take your time. Think ahead. Get the job done.
From Space
From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun!
Delta Force
Delta Force is back! The iconic series returns as the definitive free-to-play modern team-based tactical shooter and featuring three distinct gameplay modes: large-scale PvP warfare, intense extraction shooter action, and a remake of the legendary Black Hawk Down campaign.
World of Warships
Immerse yourself in thrilling naval battles and assemble an armada of over 600 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
America's Army: Proving Grounds
America’s Army: Proving Grounds is the official game of the U.S. Army and part of the highly acclaimed America’s Army game series. This free military game focuses on small unit tactical maneuvers and puts you to the test in a wide variety of new America’s Army maps and AA fan favorites.
HELLDIVERS™ Dive Harder Edition
HELLDIVERS™ is a hardcore, cooperative, twin stick shooter. As part of the elite unit called the HELLDIVERS, players must work together to protect SUPER EARTH and defeat the enemies of mankind in an intense intergalactic war.
Ready or Not
Ready or Not is an intense, tactical, first-person shooter that depicts a modern-day world in which SWAT police units are called to defuse hostile and confronting situations.
Intravenous 2: Mercenarism
Playing as Gideon, a cold-hearted mercenary willing to kill for money without any moral principles, you'll have tactical freedom with a wide variety of weapons and special gadgets to complete your mission in the prologue of Intravenous 2.
DEFCON
Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.
Gray Zone Warfare
In Gray Zone Warfare, realism meets tactics in an open-world MMOFPS where every move matters. Deploy with a Private Military Company, survive intense PvEvP or PvE encounters against players and AI, unravel the secrets of Lamang Island, and thrive through hard-earned progression.
Intravenous 2
Intravenous 2 is the ultimate blend of tactical gameplay and immersive storytelling. Will you embrace the shadows or confront your foes head-on? The choice is yours. Experience a new era of tactical stealth action. Save lives. Uncover secrets. Take vengeance.
RUNNING WITH RIFLES
RUNNING WITH RIFLES is a top-down tactical shooter with open world RPG elements. In RWR, you join the ranks of an army as a common soldier, just like the thousands around you.
Circle Empires Rivals
In this fast-paced multiplayer RTS, you and your friends will take control of your own tiny kingdoms and conquer a world made of circles. Each one is overflowing with enemies to fight, monsters to hunt and loot to hoard – but watch out... Friends can quickly become rivals!
Most played games like Thunder Tier One on Steam
Take a look at the top games like Thunder Tier One that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.
1. Tom Clancy's Rainbow Six® Siege X
Similarity 41% Rainbow Six Siege X is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked and Dual Front game modes with a selection of operators. Tom Clancy's Rainbow Six® Siege X is a fps, pvp and multiplayer game developed by Ubisoft Montreal and published by Ubisoft. Released on December 01st 2015 has received 1,398,584 reviews of which 1,172,854 were positive and 225,730 were negative resulting in a rating of 8.3 out of 10. The game has hit the top spot as the #1 most played game like Thunder Tier One, thanks to its 111,766 peak concurrent players over the last day.
8.3
1,172,854
225,730
111,766
players
2. Delta Force
Similarity 53% Delta Force is back! The iconic series returns as the definitive free-to-play modern team-based tactical shooter and featuring three distinct gameplay modes: large-scale PvP warfare, intense extraction shooter action, and a remake of the legendary Black Hawk Down campaign. Delta Force is a free to play, fps and multiplayer game developed by Team Jade and published by TiMi Studio Group. Released on December 04th 2024 has received 114,627 reviews of which 72,717 were positive and 41,910 were negative resulting in a rating of 6.3 out of 10. While seeing 34,526 players online at once in the last 24 hours, this game is currently ranked #2 among games like Thunder Tier One based on player count.
6.3
72,717
41,910
34,526
players
3. Arma 3
Similarity 42% Experience true combat gameplay in a massive military sandbox. Deploying a wide variety of single- and multiplayer content, over 20 vehicles and 40 weapons, and limitless opportunities for content creation, this is the PC’s premier military game. Authentic, diverse, open - Arma 3 sends you to war. Arma 3 is a military, action and multiplayer game developed and published by Bohemia Interactive. Released on September 12th 2013 has received 283,264 reviews of which 256,128 were positive and 27,136 were negative resulting in a rating of 9.0 out of 10. While seeing 12,138 players online at once in the last 24 hours, this game is currently ranked #3 among games like Thunder Tier One based on player count.
9.0
256,128
27,136
12,138
players
4. Squad
Similarity 43% Squad is a tactical FPS that provides authentic combat experiences through teamwork, communication, and realistic combat. It bridges the gap between arcade shooter and military realism with 100-player battles, combined-arms warfare, and base building. Squad is a military, realistic and fps game developed and published by Offworld. Released on September 23rd 2020 has received 210,551 reviews of which 175,088 were positive and 35,463 were negative resulting in a rating of 8.2 out of 10. With 10,093 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Thunder Tier One.
8.2
175,088
35,463
10,093
players
5. Gray Zone Warfare
Similarity 50% In Gray Zone Warfare, realism meets tactics in an open-world MMOFPS where every move matters. Deploy with a Private Military Company, survive intense PvEvP or PvE encounters against players and AI, unravel the secrets of Lamang Island, and thrive through hard-earned progression. Gray Zone Warfare is a early access, online co-op and tactical game developed and published by MADFINGER Games and a.s.. Released on April 30th 2024 has received 59,318 reviews of which 40,235 were positive and 19,083 were negative resulting in a rating of 6.7 out of 10. With 7,046 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Thunder Tier One.
6.7
40,235
19,083
7,046
players
6. Hell Let Loose
Similarity 43% Join the ever expanding experience of Hell Let Loose - a hardcore World War Two first person shooter with epic battles of 100 players with infantry, tanks, artillery, a dynamically shifting front line and a unique resource based RTS-inspired meta-game. Hell Let Loose is a shooter, realistic and world war ii game developed and published by Team17. Released on July 27th 2021 has received 137,677 reviews of which 113,447 were positive and 24,230 were negative resulting in a rating of 8.2 out of 10. With 6,155 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Thunder Tier One.
8.2
113,447
24,230
6,155
players
7. Supermarket Together
Similarity 44% The multiplayer supermarket has arrived to your neighbourhood for free! Stock your shop space, unlock perks and franchises, hire employees or chase those pesky shoplifters. The more players, the more action! Supermarket Together is a simulation, online co-op and multiplayer game developed and published by DeadDevsTellNoLies. Released on August 09th 2024 has received 67,435 reviews of which 63,994 were positive and 3,441 were negative resulting in an impressive rating of 9.3 out of 10. With 6,046 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Thunder Tier One.
9.3
63,994
3,441
6,046
players
8. Ready or Not
Similarity 52% Ready or Not is an intense, tactical, first-person shooter that depicts a modern-day world in which SWAT police units are called to defuse hostile and confronting situations. Ready or Not is a tactical, realistic and fps game developed by and published by Void Interactive. Released on December 13th 2023 has received 236,196 reviews of which 210,654 were positive and 25,542 were negative resulting in a rating of 8.8 out of 10. With 5,671 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Thunder Tier One.
8.8
210,654
25,542
5,671
players
9. World of Warships
Similarity 52% Immerse yourself in thrilling naval battles and assemble an armada of over 600 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players! World of Warships is a free to play, naval combat and action game developed and published by Wargaming Group Limited. Released on November 15th 2017 has received 146,552 reviews of which 112,887 were positive and 33,665 were negative resulting in a rating of 7.6 out of 10. With 4,646 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Thunder Tier One.
7.6
112,887
33,665
4,646
players
10. Halo Infinite
Similarity 41% From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. Halo Infinite is a free to play, fps and multiplayer game developed by 343 Industries and published by Xbox Game Studios. Released on November 15th 2021 has received 177,041 reviews of which 123,333 were positive and 53,708 were negative resulting in a rating of 6.9 out of 10. With 3,470 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Thunder Tier One.
6.9
123,333
53,708
3,470
players
Best deals on games like Thunder Tier One on Steam
Discover fantastic savings with the best discounts on a variety of games like Thunder Tier One available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Thunder Tier One.
1. Police Stories
Similarity 41% 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. Featuring a massive 98% discount, this game currently holds the #1 spot in the best deals for games like Thunder Tier One.
8.3
7,406
1,295
-98%
19.99€
0.53€
2. From Space
Similarity 53% From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun! From Space is a action, co-op and online co-op game developed by Triangle Studios and published by Curve Games. Released on November 03rd 2022 has received 1,884 reviews of which 1,277 were positive and 607 were negative resulting in a rating of 6.6 out of 10. Thanks to its incredible 98% discount, this game is now the #2 best deal in games like Thunder Tier One.
6.6
1,277
607
-98%
14.99€
0.31€
3. Killsquad
Similarity 40% Hack and slash? Check. Twin-stick-shooter? Check. 4 player coop to slay hordes of aliens & bosses with your friends? Check. Skills, upgrades, weapons, gears, talismans and more to make you stronger? Check. Wake up, bounty hunter. We have a mission for you. Time to clean up the scum of the galaxy. Killsquad is a action, hack and slash and top-down shooter game developed and published by Novarama. Released on October 21st 2021 has received 3,492 reviews of which 2,455 were positive and 1,037 were negative resulting in a rating of 6.9 out of 10. Thanks to its incredible 97% discount, this game is now the #3 best deal in games like Thunder Tier One.
6.9
2,455
1,037
-97%
24.99€
0.97€
4. Plunder Panic
Similarity 45% Chaotic Party Arr-cade Action for up to 12 players! Be the first to plunder all the treasure, sink the enemy ship, or defeat their captain. Featuring local & online play, crossplay, 18 stages, 30+ modify-arrs, and a single-player campaign! Plunder Panic is a online co-op, indie and combat game developed and published by Will Winn Games. Released on September 16th 2022 has received 607 reviews of which 510 were positive and 97 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 95% discount, this title has earned the #4 position in the best deals for games like Thunder Tier One.
7.9
510
97
-95%
9.75€
0.52€
5. Zero Hour
Similarity 59% Zero Hour is a tactical FPS with online team-based game play that takes place in a variety of fictional locations interpreted in Bangladesh with Real-life scale & resource management. It brings a grounded, close quarter combat experience to the game. Zero Hour is a tactical, shooter and fps game developed and published by M7 Productions and Attrito. Released on September 09th 2024 has received 31,630 reviews of which 24,924 were positive and 6,706 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like Thunder Tier One.
7.8
24,924
6,706
-91%
9.75€
0.92€
6. DEFCON
Similarity 51% Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare. DEFCON is a tactical, pvp and online co-op game developed and published by Introversion Software. Released on September 29th 2006 has received 4,182 reviews of which 3,657 were positive and 525 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 88% discount, this title has earned the #6 position in the best deals for games like Thunder Tier One.
8.4
3,657
525
-88%
9.75€
1.18€
7. Police Stories
Similarity 41% 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 game developed and published by . 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 Thunder Tier One.
8.3
7,406
1,295
-98%
19.99€
0.53€
8. Police Stories
Similarity 41% 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 game developed and published by . 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 #8 position in the best deals for games like Thunder Tier One.
8.3
7,406
1,295
-98%
19.99€
0.53€
9. Arma 3
Similarity 42% Experience true combat gameplay in a massive military sandbox. Deploying a wide variety of single- and multiplayer content, over 20 vehicles and 40 weapons, and limitless opportunities for content creation, this is the PC’s premier military game. Authentic, diverse, open - Arma 3 sends you to war. Arma 3 is a military, action and multiplayer game developed and published by Bohemia Interactive. Released on September 12th 2013 has received 283,264 reviews of which 256,128 were positive and 27,136 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 84% discount, this title has earned the #9 position in the best deals for games like Thunder Tier One.
9.0
256,128
27,136
-84%
27.99€
4.47€
10. Dungeon Defenders: Awakened
Similarity 44% Dungeon Defenders: Awakened is co-op Tower Defense combined with epic Action RPG combat. You’re able to join forces with up to four players to take on a never-ending army of orcs, demons, and dragons! Are your defenses strong enough to save the world of Etheria? Dungeon Defenders: Awakened is a multiplayer, online co-op and singleplayer game developed and published by Chromatic Games. Released on May 28th 2020 has received 4,725 reviews of which 3,124 were positive and 1,601 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 83% discount, this title has earned the #10 position in the best deals for games like Thunder Tier One.
6.5
3,124
1,601
-83%
28.99€
4.96€
Free games like Thunder Tier One on Steam
Check out this fantastic list of free-to-play games like Thunder Tier One you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Thunder Tier One.
1. Tom Clancy's Rainbow Six® Siege X
Similarity 41% Rainbow Six Siege X is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked and Dual Front game modes with a selection of operators. Tom Clancy's Rainbow Six® Siege X is a fps, pvp and multiplayer game developed by Ubisoft Montreal and published by Ubisoft. Released on December 01st 2015 has received 1,398,584 reviews of which 1,172,854 were positive and 225,730 were negative resulting in a rating of 8.3 out of 10. With 111,766 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Thunder Tier One.
8.3
1,172,854
225,730
111,766
players
2. Delta Force
Similarity 53% Delta Force is back! The iconic series returns as the definitive free-to-play modern team-based tactical shooter and featuring three distinct gameplay modes: large-scale PvP warfare, intense extraction shooter action, and a remake of the legendary Black Hawk Down campaign. Delta Force is a free to play, fps and multiplayer game developed by Team Jade and published by TiMi Studio Group. Released on December 04th 2024 has received 114,627 reviews of which 72,717 were positive and 41,910 were negative resulting in a rating of 6.3 out of 10. Thanks to its free to play tag and a daily player base of 34,526, this game has secured the #2 spot in the ranking of free games like Thunder Tier One.
6.3
72,717
41,910
34,526
players
3. Supermarket Together
Similarity 44% The multiplayer supermarket has arrived to your neighbourhood for free! Stock your shop space, unlock perks and franchises, hire employees or chase those pesky shoplifters. The more players, the more action! Supermarket Together is a simulation, online co-op and multiplayer game developed and published by DeadDevsTellNoLies. Released on August 09th 2024 has received 67,435 reviews of which 63,994 were positive and 3,441 were negative resulting in an impressive rating of 9.3 out of 10. Thanks to its free to play tag and a daily player base of 6,046, this game has secured the #3 spot in the ranking of free games like Thunder Tier One.
9.3
63,994
3,441
6,046
players
4. World of Warships
Similarity 52% Immerse yourself in thrilling naval battles and assemble an armada of over 600 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players! World of Warships is a free to play, naval combat and action game developed and published by Wargaming Group Limited. Released on November 15th 2017 has received 146,552 reviews of which 112,887 were positive and 33,665 were negative resulting in a rating of 7.6 out of 10. Attracting a solid base of 4,646 players due to its free access, this strategy game has achieved the #4 position in the best free games like Thunder Tier One.
7.6
112,887
33,665
4,646
players
5. Halo Infinite
Similarity 41% From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. Halo Infinite is a free to play, fps and multiplayer game developed by 343 Industries and published by Xbox Game Studios. Released on November 15th 2021 has received 177,041 reviews of which 123,333 were positive and 53,708 were negative resulting in a rating of 6.9 out of 10. Attracting a solid base of 3,470 players due to its free access, this strategy game has achieved the #5 position in the best free games like Thunder Tier One.
6.9
123,333
53,708
3,470
players
6. SCP: Secret Laboratory
Similarity 44% Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape. SCP: Secret Laboratory is a free to play, multiplayer and horror game developed and published by Northwood Studios. Released on December 29th 2017 has received 214,309 reviews of which 195,923 were positive and 18,386 were negative resulting in an impressive rating of 9.0 out of 10. Attracting a solid base of 3,252 players due to its free access, this strategy game has achieved the #6 position in the best free games like Thunder Tier One.
9.0
195,923
18,386
3,252
players
7. Goose Goose Duck
Similarity 42% Goose Goose Duck is a game of social deduction for up to 16 players. Players are separated into different groups that are each assigned a different objective. Complete your team’s objective to win! Goose Goose Duck is a multiplayer, free to play and online co-op game developed and published by Gaggle Studios and Inc.. Released on October 03rd 2021 has received 72,691 reviews of which 63,019 were positive and 9,672 were negative resulting in a rating of 8.5 out of 10. Attracting a solid base of 2,819 players due to its free access, this strategy game has achieved the #7 position in the best free games like Thunder Tier One.
8.5
63,019
9,672
2,819
players
8. DDNet
Similarity 44% Want to play the hardest cooperative 2D platformer ever? Want to finish no map ever? Want to be in pain for hours and cry, getting nothing in return? Come play DDNet with a large community of other sufferers! DDNet is a online co-op, free to play and multiplayer game developed and published by DDNet Team. Released on August 17th 2020 has received 37,450 reviews of which 33,440 were positive and 4,010 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 1,365 players due to its free access, this strategy game has achieved the #8 position in the best free games like Thunder Tier One.
8.8
33,440
4,010
1,365
players
9. Combat Master: Season 4
Similarity 42% Join fast-paced action-packed combat. Play Combat Master -- AAA experience on any hardware. Best-in-class multiplayer gunfight. Next-level extreme performance. Lightning-speed loading time and a whole lot more. Combat Master: Season 4 is a fps, multiplayer and action game developed and published by Alfa Bravo Inc. Released on April 21st 2023 has received 45,639 reviews of which 40,283 were positive and 5,356 were negative resulting in a rating of 8.7 out of 10. Attracting a solid base of 1,048 players due to its free access, this strategy game has achieved the #9 position in the best free games like Thunder Tier One.
8.7
40,283
5,356
1,048
players
10. DCS World Steam Edition
Similarity 42% Feel the excitement of flying the Su-25T "Frogfoot" attack jet and the TF-51D "Mustang" in the free-to-play Digital Combat Simulator World! DCS World Steam Edition is a simulation, flight and free to play game developed and published by Eagle Dynamics SA. Released on August 02nd 2013 has received 37,189 reviews of which 31,661 were positive and 5,528 were negative resulting in a rating of 8.4 out of 10. Attracting a solid base of 786 players due to its free access, this strategy game has achieved the #10 position in the best free games like Thunder Tier One.
8.4
31,661
5,528
786
players