Single-player games like Squirrelmageddon!
Below are 8 single-player Steam games similar to Squirrelmageddon!, 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 Squirrelmageddon! page.
Ranked picks
- 1

SurvivalEXtreme
Single-player alternative to Squirrelmageddon! — playable solo, no multiplayer required. Shares Action and Indie with Squirrelmageddon!.
Enter a world devastated by the 2050 apocalypse. Fifty years later, humanity has returned… The war to reclaim Earth has begun, and only the bravest will be able to face the demons that now rule it. The world has fallen. Now it's your turn to rise.
- 2

Scionide
Single-player alternative to Squirrelmageddon! — playable solo, no multiplayer required. Shares Action with Squirrelmageddon!.
Scionide is a fast-paced sci-fi shooter set in 2268 AD, where the Amalgamate Republic fights for survival against the Scion Empire. Battle in single-player, PvP, and co-op PvE across dynamic maps.
- 3

Source Code
Single-player alternative to Squirrelmageddon! — playable solo, no multiplayer required. Shares Action with Squirrelmageddon!.
"Source Code" is a large-scale multiplayer online and LAN FPS/TPS game set in the backdrop of World War III. It features building and portal systems, a comprehensive Zombie DLC, and a wide array of firearms and equipment for competitive shooting.
- 4

E.E.R.I.E2
Single-player alternative to Squirrelmageddon! — playable solo, no multiplayer required. Shares Indie with Squirrelmageddon!.
E.E.R.I.E 2 is a tactical shooting game. In the modern Gensokyo, play the role of fairy Luna, and uses a variety of modern light weapons and tactical equipment to join in a war that decides the fate of Gensokyo.
- 5

STAR WARS™: Battlefront Classic Collection
Single-player alternative to Squirrelmageddon! — playable solo, no multiplayer required. Shares Action with Squirrelmageddon!.
Play the classic STAR WARS™ Battlefront games, online and offline in this definitive collection.
- 6

Angels Fall First
Single-player alternative to Squirrelmageddon! — playable solo, no multiplayer required. Shares Action and Indie with Squirrelmageddon!.
From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever wanted in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full AI support included!
- 7

BRAZILIAN DRUG DEALER 3: I OPENED A PORTAL TO HELL IN THE FAVELA TRYING TO REVIVE MIT AIA I NEED TO CLOSE IT
Single-player alternative to Squirrelmageddon! — playable solo, no multiplayer required. Shares Action and Indie with Squirrelmageddon!.
A BRAZILIAN BOOMER SHOOTER GAME MADE USING THE ID TECH 2 ENGINE! SHOOT, JUMP, EMBARK ON A JOURNEY THROUGHOUT THE STATE OF RIO DE JANEIRO, HELL AND EVEN HEAVEN! SAVE BRAZIL!
- 8

DUSK
Single-player alternative to Squirrelmageddon! — playable solo, no multiplayer required. Shares Action and Indie with Squirrelmageddon!.
Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.