Games like outpost4
Games like outpost4 include Vampire Survivors, FTL: Faster Than Light, Plants vs. Zombies GOTY Edition, Bloons TD 6, and Balatro. We matched them by the tags players give outpost4 on Steam (Strategy, Tower Defense, Roguelike, Bullet Hell, and Roguelite): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Roguelite · 2D

FTL: Faster Than Light
Shared: Strategy · Roguelike · Perma Death

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Casual

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

Balatro
Shared: Roguelike · Strategy · Roguelite

Rogue Tower
Shared: Strategy · Tower Defense · Roguelike

Brotato
Shared: Roguelike · Bullet Hell · Singleplayer

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · 2D

Necrosmith
Shared: Tower Defense · Strategy · Bullet Hell

Wall World
Shared: Tower Defense · Roguelite · Strategy

Peglin
Shared: Roguelike · Strategy · Roguelite

SHOOPER NOVA
Shared: Strategy · Bullet Hell · Roguelite

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · 2D

Dungeon of the ENDLESS™
Shared: Strategy · Roguelike · Tower Defense

Slay the Spire
Shared: Roguelike · Strategy · Roguelite

RACCOIN: Coin Pusher Roguelike
Shared: Strategy · Roguelike · Roguelite

Slots & Daggers
Shared: Strategy · Roguelike · Casual

Drill Core
Shared: Strategy · Tower Defense · Roguelite

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Tower Defense · 2D

Cluckmech Oasis
Shared: Strategy · Tower Defense · Roguelike

Slay the Spire 2
Shared: Roguelike · Strategy · Roguelite

Heretic's Fork
Shared: Tower Defense · Strategy · 2D

Megabonk
Shared: Roguelike · Roguelite · Bullet Hell

Void Miner – Incremental Asteroids Roguelite
Shared: Bullet Hell · Roguelite · Strategy