Single-player games like Containment Initiative: PC Standalone
Below are 11 single-player Steam games similar to Containment Initiative: PC Standalone, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Containment Initiative: PC Standalone page.
Ranked picks
- 1
Serious Sam Classic: The Second Encounter
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Action and Indie with Containment Initiative: PC Standalone.
Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!
- 2
Guns, Gore & Cannoli
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Action and Indie with Containment Initiative: PC Standalone.
Guns, Gore & Cannoli - An over-the-top, comical and fast-paced action game with hand-drawn graphics set in the Roaring Twenties. An all-you-can-shoot fest where you embody Vinnie, a mobster with a mission in a city controlled by gangsters and plagued by zombies. Featuring up to 4-man local co-op.
- 3
Gears 5
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Action with Containment Initiative: PC Standalone.
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.
- 4
Blood: Refreshed Supply™
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Action with Containment Initiative: PC Standalone.
Things are about to get… bloody! Soak up 42 pulse-pounding levels dripping with Lovecraftian atmosphere as you battle your way through armies of sycophantic cultists, zombies, gargoyles, hell hounds, and other insatiable horrors, in your quest to defeat the loathsome Tchernobog.
- 5
DOOM II
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Action with Containment Initiative: PC Standalone.
Hell has invaded Earth, and to save it, you must battle mightier demons with even more powerful weapons. This beloved sequel to the groundbreaking DOOM (1993) introduced players to the brutal Super Shotgun, the infamous Icon of Sin boss, and more intense FPS action.
- 6
Yet Another Zombie Defense HD
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Action and Indie with Containment Initiative: PC Standalone.
Top-down zombie shooter with tower defense elements featuring up to 4 players local and online co-op. Build your base by day, defend it by night, put your skills to the test to stay alive as long as possible! Darkness is coming. How long can YOU survive?
- 7
Quake
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Action with Containment Initiative: PC Standalone.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
- 8
Ben and Ed - Blood Party
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Action and Indie with Containment Initiative: PC Standalone.
Welcome to the Blood Party! Play together with up to 3 people and compete in deadly game shows. Customize your zombie, build your own levels, share them via Steam Workshop and die a lot.
- 9
Celerity
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Action and Indie with Containment Initiative: PC Standalone.
Celerity is a fast-paced FPS parkour game. Use Wall Running, Grappling Hooks, Hookshots and many more, chain your moves and never lose momentum.
- 10
Spelldash
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Action and Indie with Containment Initiative: PC Standalone.
Spelldash is a hardcore FPS speedrunning game where you kill enemies mid-air to reset your double jump and dash to traverse the levels in your unique way
- 11
CITYVENTORY
Single-player alternative to Containment Initiative: PC Standalone — playable solo, no multiplayer required. Shares Indie with Containment Initiative: PC Standalone.
CITYVENTORY is a minimalist city builder/inventory management game where you build colorful cities just like you are organizing your inventory. Place and move your tiles freely, synergize them to earn points and build the best city possible!