Single-player games like Invaderz
Below are 8 single-player Steam games similar to Invaderz, 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 Invaderz page.
Ranked picks
- 1
Slayaway Camp
Single-player alternative to Invaderz — playable solo, no multiplayer required. Shares Strategy and Indie with Invaderz.
A killer puzzle game where you control Skullface, a psycho slasher bent on slaughtering camp counselors at the title campground. Slide an adorable voxel murderer around hundreds of isometric puzzle levels to squash, flay, and decapitate hapless victims in this darkly comic homage to 80s horror.
- 2
X-COM: Apocalypse
Single-player alternative to Invaderz — playable solo, no multiplayer required. Shares Strategy with Invaderz.
There's something evil in the city tonight... Earth has been ravaged by human excess, petty conflict and alien invasion. The world's population has been herded into huge cities, the first of which was Mega Primus. 2084: A Utopia shattered, social collapse and civil unrest reigns in Mega Primus. Fiendish aliens terrorize the city.
- 3
EcoGnomix
Single-player alternative to Invaderz — playable solo, no multiplayer required. Shares Strategy and Indie with Invaderz.
A quirky mix of roguelite and city builder. Build a lively little city above, by looting mystical caves with a team of gnomes below! Use multiple runs to unlock upgrades and abilities to help your gnomes venture deeper into the dangerous underground.
- 4
60 Seconds!
Single-player alternative to Invaderz — playable solo, no multiplayer required. Shares Strategy and Indie with Invaderz.
60 Seconds! is a dark comedy atomic adventure of scavenge and survival. Collect supplies and rescue your family before the nuke hits. Stay alive in your fallout shelter. Make difficult decisions, ration food and hunt mutant cockroaches. And maybe survive. Or not.
- 5
Xenonauts
Single-player alternative to Invaderz — playable solo, no multiplayer required. Shares Strategy and Indie with Invaderz.
Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat.
- 6
The Age of Decadence
Single-player alternative to Invaderz — playable solo, no multiplayer required. Shares Indie with Invaderz.
The Age of Decadence is a turn-based, hardcore role-playing game set in a low magic fantasy world. The game features a detailed skill-based character system, multiple skill-based ways to handle quests, choices & consequences, and extensive dialogue trees.
- 7
Mewgenics
Single-player alternative to Invaderz — playable solo, no multiplayer required. Shares Strategy and Indie with Invaderz.
Build the ultimate cat army through tactical breeding and send them into deep, challenging turn-based adventures. Draft abilities, collect items, and manipulate genetics across generations in this roguelike tactics game from the creators of The Binding of Isaac and The End is Nigh.
- 8
XCOM® 2
Single-player alternative to Invaderz — playable solo, no multiplayer required. Shares Strategy with Invaderz.
XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.