Single-player games like Agtnan: Monster Shutdown Sequence
Below are 8 single-player Steam games similar to Agtnan: Monster Shutdown Sequence, 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 Agtnan: Monster Shutdown Sequence page.
Ranked picks
- 1

Alien Weapon Test Grounds
Single-player alternative to Agtnan: Monster Shutdown Sequence — playable solo, no multiplayer required. Shares Action with Agtnan: Monster Shutdown Sequence.
Alien weapons with unique physics await in this fast-paced FPS. Battle waves of enemies across diverse landscapes, lighting, and weather. Beware the unstable space-time continuum.
- 2

The Last Salvage Squad
Single-player alternative to Agtnan: Monster Shutdown Sequence — playable solo, no multiplayer required. Shares Action with Agtnan: Monster Shutdown Sequence.
Battle enemy forces reminiscent of alien weapons from retro sci-fi works in this single-player 2.5D FPS.
- 3

Syndrome
Single-player alternative to Agtnan: Monster Shutdown Sequence — playable solo, no multiplayer required. Shares Action with Agtnan: Monster Shutdown Sequence.
Syndrome, a sci-fi survival horror game that places you in a living hell inside a doomed starship. Find out what happened to your lost crew. Run. Hide. Fight. Survive.
- 4

Drunken Robot Pornography
Single-player alternative to Agtnan: Monster Shutdown Sequence — playable solo, no multiplayer required. Shares Action with Agtnan: Monster Shutdown Sequence.
Bullet-hell, boss-battle, first-person shooter, with giant-robots, martinis and jetpacks. YES. Drink the cocktails. Fight the titans. Make your own Titans. Drink your friend's cocktails.
- 5

Call of Duty®: Black Ops III
Single-player alternative to Agtnan: Monster Shutdown Sequence — playable solo, no multiplayer required. Shares Action with Agtnan: Monster Shutdown Sequence.
Call of Duty®: Black Ops III Zombies Chronicles Edition includes the full base game plus the Zombies Chronicles content expansion.
- 6

Crysis
Single-player alternative to Agtnan: Monster Shutdown Sequence — playable solo, no multiplayer required. Shares Action with Agtnan: Monster Shutdown Sequence.
Adapt to Survive An epic story thrusts players into an ever-changing environment, forcing them to adapt their tactics and approach to conquer battlefields ranging from newly frozen jungle to zero-gravity alien environments. Suit up! A high-tech Nanosuit allows gamers to augment their abilities in real time on the battlefield.
- 7

Call of Duty®: Infinite Warfare
Single-player alternative to Agtnan: Monster Shutdown Sequence — playable solo, no multiplayer required. Shares Action with Agtnan: Monster Shutdown Sequence.
Infinite Warfare delivers three unique game modes: Campaign, Multiplayer, and Zombies.
- 8

Crysis Warhead®
Single-player alternative to Agtnan: Monster Shutdown Sequence — playable solo, no multiplayer required. Shares Action with Agtnan: Monster Shutdown Sequence.
Pulse-racing new installment from 2007's PC Game of the Year*: Play as Sergeant Sykes and experience a whole new side of the battle. A standard combat mission behind enemy lines becomes critical when you discover your enemies have captured something of vital importance to the ensuing war.