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.
Filters & Lists
Flightless Classic
Flightless is a tile-based puzzle adventure game. Navigate your way through a series of floating islands, each presenting a curious puzzle. A minimalist art style and calming piano soundtrack complement senses of wonder and discovery.
Island Dash
You are controlling the Tourist through the whole Island. Your goal is to collect as much money as quickly as possible, so the Tourist can buy himself a Hotdog. If you are to slow and he runs out of calories, he will die. :( Do you think you can make it?
Space Between Worlds
Did you ever pay attention to the importance of space? Space Between Worlds is a short puzzle game that expresses the concept of proximity and lets the player interpret the context and arc of the story.
The Red Stare
Become a secret agent in the 1950s and observe your neighbours to find the communist spy!
拯救大魔王2 Rescue the Great Demon 2
Sino was controlled by human. Human made the rules, and annihilated every race that opposed them. Every race on this continent became slaves, except human.Demons had been enslaved for 80 years since their leader, the Great Demon was captured. This is where our story begins.
Sound Slide
Sound Slide is a rythm puzzle racer, bringing you to 4 different environments around the world! Each environment has its own distinctive music: go with the flow and hop from lane to lane to get to the end!
Astral Heroes
Astral Heroes is a Collectible Card Game that's simple to learn, exciting to play, and deep enough to challenge even the greatest strategists. It's the spiritual sequel to our older game, Astral Masters, which still enjoys a loyal following over ten years after its release!
War of Omens Card Game
War of Omens is a CCG with a unique Deckbuilder combat system and deep strategy. Set in a masterfully crafted dark fantasy world, it features fast, strategic battles with 4 distinct factions and over 20 heroes. Challenge the online ladder, conquer the story mode, or compete in a cross faction draft!
Frightened Beetles
Something terrible happened in the forest! Someone frightened all Bugs! What happened? You are the only one who can find it out!
Chicken Farm 2K17
Chicken Farm is a management game with clicker aspects, where you buy chickens, catch the eggs, work at the market, sell your chickens and ultimately profit.
It Moves
It Moves is a horror game that will try to scare you without too many of the typical "screamers", instead relying on atmosphere and suspense. You'll be solving puzzles along the way, and encountering all manner of not-so-friendly creatures.
Mega Hasan
32 levels of platforming awesomeness.
A Game About
A Game About is a free, short, lo-fi point & click adventure that tasks the player with living with their daily routine. Through day to day choices, life changes in imperceptibles and unexpected ways.
A Bewitching Revolution
A Bewitching Revolution is a first-person adventure game about a communist witch living in a cyberpunk city. Use magic to help the city's residents organise collective forms of power and resistance!
Dev Guy
With your final build missing, and only till the end of the night to publish his game, Warren must take up the difficult adventure to make a new build before the end of the night through whatever means necessary. Join Warren's quest to publish his title before the end of the night and become an indie dev.
Canvas The Gallery
Use spraypaint to paint whatever you want in a blank art gallery. Send your galleries to your friends for them to view your artwork.
Regeria Hope Episode 1
As Regeria Hope, clear your clients of their crimes, or watch them hang and amass power and wealth. It's up to you.
Handy Dandy
The two adventurers Handy and Dandy have caused a dimensional tear which is now separating them and the entire cave where they have to solve platforming puzzles to reunite again in this 2D co-op game.
Loop-Loop DX
Far into the future, a galactic super prison known as "The Prisom" keeps the Galaxy's most dangerous criminals within it's colorfully crystalline walls. Escape this superstructure by blasting down prison staff, other criminals, and even... yourself.
Isle of Ewe
Embark on an adventure and command your flock to bring your fluffy friends back home. The mysterious disappearance of Ramsey sparks your journey as you must collect, throw and bounce from sheep to sheep to bring him back home safely.
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 15th 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 3,340 peak concurrent players over the last day.
9.3
11,564
504
3,340
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 1,120 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
1,120
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 713 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
713
players
4. 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 256 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Oh...Sir! Prototype.
8.6
1,791
189
256
players
5. 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 248 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Oh...Sir! Prototype.
7.3
539
167
248
players
6. 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 222 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Oh...Sir! Prototype.
7.8
2,030
492
222
players
7. 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 210 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Oh...Sir! Prototype.
9.2
34,525
2,215
210
players
8. 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 171 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Oh...Sir! Prototype.
9.5
37,172
1,304
171
players
9. 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 151 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Oh...Sir! Prototype.
8.5
4,420
628
151
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. With 141 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Oh...Sir! Prototype.
9.0
3,678
244
141
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 15th 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€
0.69€
4. AVICII Invector
Similarity 51% Soar through vocal melodies, sweep each fade and attack every beat in 25 of AVICII’s biggest hits, in this enthralling futuristic rhythm-action experience – AVICII Invector. AVICII Invector is a casual, indie and music game developed and published by Hello There Games. Released on December 10th 2019 has received 3,303 reviews of which 3,204 were positive and 99 were negative resulting in an impressive rating of 9.3 out of 10. Currently offered at a significant 95% discount, this title has earned the #4 position in the best deals for games like Oh...Sir! Prototype.
9.3
3,204
99
-95%
19.99€
1.04€
5. 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 #5 position in the best deals for games like Oh...Sir! Prototype.
9.1
3,236
174
-96%
14.79€
0.69€
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. Currently offered at a significant 93% discount, this title has earned the #6 position in the best deals for games like Oh...Sir! Prototype.
9.2
34,525
2,215
-93%
14.79€
1.12€
7. Fancy Skulls
Similarity 49% Fancy Skulls is a challenging first person shooter with procedural generation, permadeath and distinct art style. Intense and tactical combat, unique weapon mods and items that change the way you play. Fancy Skulls is a indie, action roguelike and action game developed and published by tequibo. Released on June 16th 2014 has received 338 reviews of which 247 were positive and 91 were negative resulting in a rating of 6.9 out of 10.
6.9
247
91
8. 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 #8 position in the best deals for games like Oh...Sir! Prototype.
8.7
301
17
-98%
9.99€
0.22€
9. 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 #9 position in the best deals for games like Oh...Sir! Prototype.
8.4
622
78
-90%
9.99€
1.07€
10. 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 #10 position in the best deals for games like Oh...Sir! Prototype.
7.2
2,983
1,036
-97%
9.99€
0.32€
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 15th 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 3,340 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
3,340
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 1,120, this game has secured the #2 spot in the ranking of free games like Oh...Sir! Prototype.
8.2
1,638
278
1,120
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 713, this game has secured the #3 spot in the ranking of free games like Oh...Sir! Prototype.
9.1
825
24
713
players
4. 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 256 players due to its free access, this strategy game has achieved the #4 position in the best free games like Oh...Sir! Prototype.
8.6
1,791
189
256
players
5. 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 248 players due to its free access, this strategy game has achieved the #5 position in the best free games like Oh...Sir! Prototype.
7.3
539
167
248
players
6. 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 222 players due to its free access, this strategy game has achieved the #6 position in the best free games like Oh...Sir! Prototype.
7.8
2,030
492
222
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 151 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
151
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. Attracting a solid base of 141 players due to its free access, this strategy game has achieved the #8 position in the best free games like Oh...Sir! Prototype.
9.0
3,678
244
141
players
9. 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. Attracting a solid base of 131 players due to its free access, this strategy game has achieved the #9 position in the best free games like Oh...Sir! Prototype.
7.9
2,287
522
131
players
10. 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 #10 spot among the most played free games like Oh...Sir! Prototype.
9.0
1,595
96
83
players