Games like KeepUp Survival - Multiplayer Expansion
Games like KeepUp Survival - Multiplayer Expansion include Don't Starve Together, Garry's Mod, Arma 3, Terraria, and War Thunder. We matched them by the tags players give KeepUp Survival - Multiplayer Expansion on Steam (Downloadable Content): closest matches first, and among equally close ones the better-known games.

Don't Starve Together
Shared: Co-op · Single-player · Multi-player

Garry's Mod
Shared: Single-player · Multi-player · Online PvP

Arma 3
Shared: Single-player · Multi-player · Action

Terraria
Shared: Single-player · Multi-player · Co-op

War Thunder
Shared: Single-player · Multi-player · PvP

Red Dead Redemption 2
Shared: Single-player · Multi-player · PvP

7 Days to Die
Shared: Single-player · Multi-player · PvP

Grand Theft Auto V Legacy
Shared: Single-player · Multi-player · Action

Left 4 Dead 2
Shared: Co-op · Single-player · Multi-player

Halo: The Master Chief Collection
Shared: Co-op · Single-player · Multi-player

Sea of Thieves: 2026 Edition
Shared: PvP · Co-op · Multi-player

Destiny 2
Shared: PvP · Co-op · Single-player

PUBG: BATTLEGROUNDS
Shared: PvP · Multi-player · Co-op

Brawlhalla
Shared: Co-op · Single-player · Multi-player

Human Fall Flat
Shared: Co-op · Single-player · Multi-player

Barotrauma
Shared: Co-op · Single-player · Multi-player

Castle Crashers®
Shared: Co-op · Single-player · Multi-player

Men of War: Assault Squad 2
Shared: Single-player · Multi-player · PvP

Apex Legends™
Shared: PvP · Multi-player · Online PvP

ARK: Survival Ascended
Shared: Single-player · Multi-player · Online PvP

CarX Drift Racing Online
Shared: PvP · Co-op · Single-player

Broforce
Shared: Co-op · Single-player · Action

Need for Speed™ Heat
Shared: Co-op · Single-player · Multi-player

Warhammer 40,000: Space Marine 2
Shared: Co-op · Single-player · Multi-player