Games Like Outpost Zero Key (2026)

Shared: Co-op Survival, Base Building

Ninety-four percent of half a million Steam reviews don't lie: this Norse purgatory will eat your evenings, your weekends, and your sense of time, one biome at a time.

Shared: Base Building

Wrangle, feed, and crossbreed slimes on an alien ranch in this endlessly cheerful first-person sim that somehow makes spreadsheet farming feel like a vacation.

Shared: Base Building, Co-op Survival

One of gaming's most public redemption stories, rebuilt from a hollow launch into a sprawling space sandbox - but if you showed up for tight gunplay or a ranked ladder, board a different ship now.

Shared: Base Building

Crash a plane, lose your son, then spend 30+ hours building spike traps and slowly losing your mind to cannibals. Solo or with up to 8 friends online, this one earns its Metacritic 83.

Shared: Base Building

Surviving alone was already brutal - surviving with friends who make catastrophic decisions is another beast entirely. A deep, unforgiving co-op survival game that rewards patience, preparation, and someone on the team who knows what a Science Machine actually does.