Games like Oh...Sir! Prototype on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Oh...Sir! Prototype are available at the bottom of the page.
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Fork Parker's Holiday Profit Hike
Against explosive firepower, bitter cold, and dizzying heights, Fork Parker must outwit a group of no-talent game developers in a deadly holiday promotional game. Also, it's free.
Ultra Fight Da ! Kyanta 2
Ultra Fight Kyanta 2 is a fighting game with a frantic pace and easy to learn controls. You can perform special attacks using single button presses! Fight in 2D battles across various modes using teams of hand-drawn characters.
Emporea: Realms of War and Magic
Emporea is an oldschool fantasy strategy game, where cooperation with other players is necessary to achieve victory. Only the best alliance can win! Multiple realms available, with new ones starting every two weeks.
Epic Clicker Journey
Experience your epic journey. Discover 20 mysterious lands and face the monsters living out there. Show that you are persistent traveler and held your adventure, even in the toughest conditions.
Red Planet Farming
Become the first Agricultural Director of Mars in Red Planet Farming! This casual strategy game tasks players with producing enough food to feed a growing population of settlers on the red planet.
They Can't Stop All Of Us
D.A.B. Your foes in co-op & PvP battles. (D)efend bases with weapons and skill. (A)ttack with clever AI armies. (B)uild amazingly creative defenses.
Mount Your Friends
Experience the extreme simulated sporting sensation that's sweeping our digital nation! Mount Your Friends is a fiercely competitive sporting event for you to play with your friends in the contextual security of your own home, assuming that your home is not composed of sexual innuendo.
Rogue Reaper
Rogue Reaper is an action-adventure game, taking place at the end of the Dark Ages during the rise of the plague. Trying to relieve her father from his work of managing the massive influx of souls, the daughter of the Grim Reaper sets out on an adventure to find and destroy the cause of the plague.
Zombidle : REMONSTERED
Like the song says, good guys finish last, and in this case, they also finish homeless and on fire. Welcome to Zombidle, Berzerk Studio's newest idle game, or tap game; whatever, you do you, man.
Wild Warfare
Wild Warfare is a F2P, multiplayer FPS made for players that enjoy fun and/or being a bear. It's a mix of crazy game modes, balanced classes, simple controls and intense matches. Its got vehicle combat, because why not? You can even be a bunny that clubs people with a wrench, lucky you.
Jendo: Origins
This is a comedy about high-schoolers friends, getting into extremely absurd and ridiculous situations.
Long Live Santa!
Santa is dead. Now the remaining bearded men of the Norwegian wilderness must fight to the death. Will you be the next Santa, or die in the snow? Punch, slice, outwit your way to a fulfilling new seasonal job in this online PvP third-person fighter!
FOS
In this game, you can do whatever you want, not necessarily follow the story of the game, you're not some dirty farmer, right? And for whom did this pathetic, boring, and generally unbearable story come up, because you don't always have to follow it right?
Kopanito All-Stars Soccer
Fast-paced football game without a referee on the pitch and with crazy super-powers! It may not look serious, but we guarantee, that it is. Kopanito’s match engine is well-balanced and entirely skill-based.
Mr. Hopp's Playhouse
Every kid has that one toy that scares them, imagine if it came to life. You play as Ruby, a young girl who has a fear of her handmade toy called Mr. Hopp. Things take a dark turn when Ruby sees that Mr. Hopp, who usually sits motionless in the corner of her room, is gone.
Rock of Ages
A rock-solid combination of rock-rolling action, deep strategy, and captivating art and music from different ages of history, this is a game of crush or be crushed!
Shattered Lights
Shattered Lights is a VR psychological horror room-scale experience, which focuses on drawing the player into the game with unparalleled immersion.
Mindless Running
Mindless Running - it's a classic runner with story mode. Explore a randomly-generated world while listening to a unique soundtrack!
A Book of Beasts and Buddies
A Book of Beasts and Buddies is an interactive beastiary of curious creatures.
Most played games like Oh...Sir! Prototype on Steam
Take a look at the top games like Oh...Sir! Prototype that are currently attracting the largest player bases on the Steam platform, as of June 17th 2025.
1. NGU IDLE
Similarity 51% NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up! NGU IDLE is a free to play, idler and indie game developed and published by 4G. Released on October 01st 2019 has received 12,068 reviews of which 11,564 were positive and 504 were negative resulting in an impressive rating of 9.3 out of 10. The game has hit the top spot as the #1 most played game like Oh...Sir! Prototype, thanks to its 3,323 peak concurrent players over the last day.
9.3
11,564
504
3,323
players
2. Idling to Rule the Gods
Similarity 46% Idling to Rule the Gods is a free to play Idle-Game with a lot of content and some Minigames. Depending on your play-style, you can play it fast or slow. Either way it can be fun for hundreds of hours! Idling to Rule the Gods is a free to play, indie and simulation game developed and published by Shugasu GmbH. Released on May 27th 2016 has received 1,916 reviews of which 1,638 were positive and 278 were negative resulting in a rating of 8.2 out of 10. While seeing 1,100 players online at once in the last 24 hours, this game is currently ranked #2 among games like Oh...Sir! Prototype based on player count.
8.2
1,638
278
1,100
players
3. Satisfactory Modeler
Similarity 64% Model your Satisfactory builds. Set up your machines however you like, adding optional limits to the number of any of those machines and the tool will calculate how the parts will flow and how many of each machine type are getting used. Satisfactory Modeler is a free to play, indie and simulation game developed and published by David Price. Released on September 17th 2024 has received 849 reviews of which 825 were positive and 24 were negative resulting in an impressive rating of 9.1 out of 10. While seeing 593 players online at once in the last 24 hours, this game is currently ranked #3 among games like Oh...Sir! Prototype based on player count.
9.1
825
24
593
players
4. Poker Championship
Similarity 55% Play the most authentic Texas Hold’em Poker App. Fair play guaranteed by the officially certified Random Number Generator implemented for every hand dealing. Compete with outstanding players throughout the world in real time and be the World Champion! Poker Championship is a free to play, indie and massively multiplayer game developed and published by BBstudio Inc.. Released on September 25th 2019 has received 2,522 reviews of which 2,030 were positive and 492 were negative resulting in a rating of 7.8 out of 10. With 238 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Oh...Sir! Prototype.
7.8
2,030
492
238
players
5. Cube Racer
Similarity 46% 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 199 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Oh...Sir! Prototype.
8.6
1,791
189
199
players
6. SpeedRunners
Similarity 54% Cut-throat multiplayer running game that pits 4 players against each other, locally and/or online. Run, jump, swing around, and use devious weapons and pick-ups to knock opponents off-screen! One of the most competitive games you'll ever play. SpeedRunners is a multiplayer, racing and local multiplayer game developed by DoubleDutch Games and published by tinyBuild. Released on April 19th 2016 has received 36,740 reviews of which 34,525 were positive and 2,215 were negative resulting in an impressive rating of 9.2 out of 10. With 183 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Oh...Sir! Prototype.
9.2
34,525
2,215
183
players
7. The Jackbox Megapicker
Similarity 46% The Jackbox Megapicker is a game launcher for all of your Jackbox games. This free bit of software will allow you to launch all owned games from one convenient location. This means that you will no longer need to switch between Party Packs to start playing the games you love most. The Jackbox Megapicker is a free to play, utilities and party game developed and published by Jackbox Games and Inc.. Released on July 29th 2024 has received 706 reviews of which 539 were positive and 167 were negative resulting in a rating of 7.3 out of 10. With 163 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Oh...Sir! Prototype.
7.3
539
167
163
players
8. Time Clickers
Similarity 47% Time Clickers is what's called an 'incremental game'. There's always a fun upgrade to look forward to, and the numbers keep getting bigger! Hire a team to fight for you, even when you're offline! Time Clickers is a clicker, free to play and casual game developed by Proton Studio Inc and published by . Released on July 23rd 2015 has received 5,048 reviews of which 4,420 were positive and 628 were negative resulting in a rating of 8.5 out of 10. With 135 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Oh...Sir! Prototype.
8.5
4,420
628
135
players
9. Duck Game
Similarity 46% Enter the futuristic year of 1984, an age where ducks run wild in a frantic battle for glory. Blast your friends with Shotguns, Net Guns, Mind Control Rays, Saxophones, Magnet Guns, and much, much more. This is DUCK GAME. Don't blink. Duck Game is a multiplayer, funny and local multiplayer game developed by Landon Podbielski and published by CORPTRON GAMES CORP.. Released on June 04th 2015 has received 38,476 reviews of which 37,172 were positive and 1,304 were negative resulting in an impressive rating of 9.5 out of 10. With 124 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Oh...Sir! Prototype.
9.5
37,172
1,304
124
players
10. Zero-K
Similarity 46% With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps. Zero-K is a strategy, free to play and rts game developed and published by Zero-K Team. Released on April 27th 2018 has received 3,922 reviews of which 3,678 were positive and 244 were negative resulting in an impressive rating of 9.0 out of 10. The game currently holds the #10 spot among the most played games like Oh...Sir! Prototype.
9.0
3,678
244
92
players
Best deals on games like Oh...Sir! Prototype on Steam
Discover fantastic savings with the best discounts on a variety of games like Oh...Sir! Prototype available on Steam right now, updated on June 17th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Oh...Sir! Prototype.
1. Fibbage XL
Similarity 50% NOTE: This game first appeared in The Jackbox Party Pack. It’s Fibbage XL – The Hilarious Bluffing Party Game in standalone form! Fool your friends with your lies, avoid theirs, and find the (usually outrageous) truth. “The mayor of Rabbit Hash, Kentucky is a ____.” Baby? Rabbit? Ham sandwich? Go! Fibbage XL is a strategy, casual and indie game developed and published by Jackbox Games and Inc.. Released on March 24th 2016 has received 318 reviews of which 301 were positive and 17 were negative resulting in a rating of 8.7 out of 10. Featuring a massive 98% discount, this game currently holds the #1 spot in the best deals for games like Oh...Sir! Prototype.
8.7
301
17
-98%
9.99€
0.22€
2. Drawful 2
Similarity 48% For 3-8 players and an audience of thousands! Your phones or tablets are your controllers! The game of terrible drawings and hilariously wrong answers. Drawful 2 is a local multiplayer, party and multiplayer game developed and published by Jackbox Games and Inc.. Released on June 20th 2016 has received 4,019 reviews of which 2,983 were positive and 1,036 were negative resulting in a rating of 7.2 out of 10. Thanks to its incredible 97% discount, this game is now the #2 best deal in games like Oh...Sir! Prototype.
7.2
2,983
1,036
-97%
9.99€
0.32€
3. TowerFall Ascension
Similarity 51% TowerFall Ascension is the definitive version of the hit archery combat game. Inspired by classics from the golden age of couch multiplayer, it's a 4-player local party game centering around hilarious, intense versus matches. The core mechanics are simple and accessible, but hard to master and combat is fierce. TowerFall Ascension is a local multiplayer, indie and 2d fighter game developed by Maddy Makes Games Inc., Extremely OK Games and Ltd. and published by Maddy Makes Games Inc.. Released on March 11th 2014 has received 3,410 reviews of which 3,236 were positive and 174 were negative resulting in an impressive rating of 9.1 out of 10. Thanks to its incredible 96% discount, this game is now the #3 best deal in games like Oh...Sir! Prototype.
9.1
3,236
174
-96%
14.79€
0.71€
4. TowerFall Ascension
Similarity 51% TowerFall Ascension is the definitive version of the hit archery combat game. Inspired by classics from the golden age of couch multiplayer, it's a 4-player local party game centering around hilarious, intense versus matches. The core mechanics are simple and accessible, but hard to master and combat is fierce. TowerFall Ascension is a game developed and published by . Released on March 11th 2014 has received 3,410 reviews of which 3,236 were positive and 174 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 96% discount, this title has earned the #4 position in the best deals for games like Oh...Sir! Prototype.
9.1
3,236
174
-96%
14.79€
0.71€
5. Fibbage XL
Similarity 50% NOTE: This game first appeared in The Jackbox Party Pack. It’s Fibbage XL – The Hilarious Bluffing Party Game in standalone form! Fool your friends with your lies, avoid theirs, and find the (usually outrageous) truth. “The mayor of Rabbit Hash, Kentucky is a ____.” Baby? Rabbit? Ham sandwich? Go! Fibbage XL is a game developed and published by . Released on March 24th 2016 has received 318 reviews of which 301 were positive and 17 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Oh...Sir! Prototype.
8.7
301
17
-98%
9.99€
0.22€
6. STARWHAL
Similarity 58% The local multi-player space narwhal fighting game that has rocked the internet is finally ready for its big debut in a fully loaded release! Flop it out with 1-4 players in a retro, epic narwhal battle in space! The heart-piercing action is furious and unrelenting. STARWHAL will change your life. STARWHAL is a local multiplayer, indie and funny game developed and published by Breakfall. Released on September 29th 2014 has received 700 reviews of which 622 were positive and 78 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 90% discount, this title has earned the #6 position in the best deals for games like Oh...Sir! Prototype.
8.4
622
78
-90%
9.99€
1.06€
7. Drawful 2
Similarity 48% For 3-8 players and an audience of thousands! Your phones or tablets are your controllers! The game of terrible drawings and hilariously wrong answers. Drawful 2 is a game developed and published by . Released on June 20th 2016 has received 4,019 reviews of which 2,983 were positive and 1,036 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 97% discount, this title has earned the #7 position in the best deals for games like Oh...Sir! Prototype.
7.2
2,983
1,036
-97%
9.99€
0.32€
8. Quiplash
Similarity 50% For 3-8 Players and an Audience of thousands! Your phones or tablets are your controllers! The gut-busting, say-anything, no-rules party game! Quiplash is a casual, multiplayer and comedy game developed and published by Jackbox Games and Inc.. Released on June 30th 2015 has received 2,188 reviews of which 1,962 were positive and 226 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 88% discount, this title has earned the #8 position in the best deals for games like Oh...Sir! Prototype.
8.6
1,962
226
-88%
9.99€
1.29€
9. Divekick
Similarity 47% Divekick is the world’s first two-button fighting game. It distills the essence of the fighting game genre into just two buttons with no d-pad directional movement. Includes two extra playable characters: Fencer from Nidhogg and Johnny Gat from Saints Row! Divekick is a fighting, indie and 2d fighter game developed and published by Iron Galaxy Studios. Released on August 20th 2013 has received 1,818 reviews of which 1,522 were positive and 296 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 87% discount, this title has earned the #9 position in the best deals for games like Oh...Sir! Prototype.
8.0
1,522
296
-87%
3.99€
0.52€
10. ROCKETSROCKETSROCKETS
Similarity 50% ROCKETS fire ROCKETS at ROCKETS in this action-arcade, arena-combat, gorgeous festival-of-fireworks! It's dogfighting meets figure-skating in space with local multiplayer and single-player fast-paced action modes plus a ZEN MODE where ROCKETS learn to LOVE. ROCKETSROCKETSROCKETS is a indie, action and casual game developed by Radial Games Corp, Loren Bednar, Dr. Kimberly Voll and Lindsay Jorgensen and published by Radial Games Corp. Released on May 01st 2015 has received 544 reviews of which 405 were positive and 139 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 87% discount, this title has earned the #10 position in the best deals for games like Oh...Sir! Prototype.
7.1
405
139
-87%
6.99€
0.93€
Free games like Oh...Sir! Prototype on Steam
Check out this fantastic list of free-to-play games like Oh...Sir! Prototype you can enjoy on Steam right now, updated on June 17th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Oh...Sir! Prototype.
1. NGU IDLE
Similarity 51% NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up! NGU IDLE is a free to play, idler and indie game developed and published by 4G. Released on October 01st 2019 has received 12,068 reviews of which 11,564 were positive and 504 were negative resulting in an impressive rating of 9.3 out of 10. With 3,323 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Oh...Sir! Prototype.
9.3
11,564
504
3,323
players
2. Idling to Rule the Gods
Similarity 46% Idling to Rule the Gods is a free to play Idle-Game with a lot of content and some Minigames. Depending on your play-style, you can play it fast or slow. Either way it can be fun for hundreds of hours! Idling to Rule the Gods is a free to play, indie and simulation game developed and published by Shugasu GmbH. Released on May 27th 2016 has received 1,916 reviews of which 1,638 were positive and 278 were negative resulting in a rating of 8.2 out of 10. Thanks to its free to play tag and a daily player base of 1,100, this game has secured the #2 spot in the ranking of free games like Oh...Sir! Prototype.
8.2
1,638
278
1,100
players
3. Satisfactory Modeler
Similarity 64% Model your Satisfactory builds. Set up your machines however you like, adding optional limits to the number of any of those machines and the tool will calculate how the parts will flow and how many of each machine type are getting used. Satisfactory Modeler is a free to play, indie and simulation game developed and published by David Price. Released on September 17th 2024 has received 849 reviews of which 825 were positive and 24 were negative resulting in an impressive rating of 9.1 out of 10. Thanks to its free to play tag and a daily player base of 593, this game has secured the #3 spot in the ranking of free games like Oh...Sir! Prototype.
9.1
825
24
593
players
4. Poker Championship
Similarity 55% Play the most authentic Texas Hold’em Poker App. Fair play guaranteed by the officially certified Random Number Generator implemented for every hand dealing. Compete with outstanding players throughout the world in real time and be the World Champion! Poker Championship is a free to play, indie and massively multiplayer game developed and published by BBstudio Inc.. Released on September 25th 2019 has received 2,522 reviews of which 2,030 were positive and 492 were negative resulting in a rating of 7.8 out of 10. Attracting a solid base of 238 players due to its free access, this strategy game has achieved the #4 position in the best free games like Oh...Sir! Prototype.
7.8
2,030
492
238
players
5. Cube Racer
Similarity 46% 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 199 players due to its free access, this strategy game has achieved the #5 position in the best free games like Oh...Sir! Prototype.
8.6
1,791
189
199
players
6. The Jackbox Megapicker
Similarity 46% The Jackbox Megapicker is a game launcher for all of your Jackbox games. This free bit of software will allow you to launch all owned games from one convenient location. This means that you will no longer need to switch between Party Packs to start playing the games you love most. The Jackbox Megapicker is a free to play, utilities and party game developed and published by Jackbox Games and Inc.. Released on July 29th 2024 has received 706 reviews of which 539 were positive and 167 were negative resulting in a rating of 7.3 out of 10. Attracting a solid base of 163 players due to its free access, this strategy game has achieved the #6 position in the best free games like Oh...Sir! Prototype.
7.3
539
167
163
players
7. Time Clickers
Similarity 47% Time Clickers is what's called an 'incremental game'. There's always a fun upgrade to look forward to, and the numbers keep getting bigger! Hire a team to fight for you, even when you're offline! Time Clickers is a clicker, free to play and casual game developed by Proton Studio Inc and published by . Released on July 23rd 2015 has received 5,048 reviews of which 4,420 were positive and 628 were negative resulting in a rating of 8.5 out of 10. Attracting a solid base of 135 players due to its free access, this strategy game has achieved the #7 position in the best free games like Oh...Sir! Prototype.
8.5
4,420
628
135
players
8. Zero-K
Similarity 46% With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps. Zero-K is a strategy, free to play and rts game developed and published by Zero-K Team. Released on April 27th 2018 has received 3,922 reviews of which 3,678 were positive and 244 were negative resulting in an impressive rating of 9.0 out of 10. The game currently holds the #8 spot among the most played free games like Oh...Sir! Prototype.
9.0
3,678
244
92
players
9. Picross Touch
Similarity 48% Find the hidden image in this fun and addictive logic puzzle game. All puzzles have unique solutions, ensuring 100% logically solvable puzzle grids. Picross Touch is a puzzle, free to play and casual game developed by Jon Gallant and published by jgallant. Released on August 24th 2016 has received 1,691 reviews of which 1,595 were positive and 96 were negative resulting in a rating of 9.0 out of 10. The game currently holds the #9 spot among the most played free games like Oh...Sir! Prototype.
9.0
1,595
96
91
players
10. IOSoccer
Similarity 51% IOSoccer is a free non-commercial competitive third-person online multiplayer soccer game that offers unparalleled freedom in ball control and gameplay depth. IOSoccer is a free to play, sports and multiplayer game developed and published by IOSoccer Team. Released on June 08th 2018 has received 2,809 reviews of which 2,287 were positive and 522 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #10 spot among the most played free games like Oh...Sir! Prototype.
7.9
2,287
522
84
players