Games like Broken Space Traveler
Games like Broken Space Traveler include Vampire Survivors, Death Must Die, Halls of Torment, Megabonk, and Magicraft. We matched them by the tags players give Broken Space Traveler on Steam (Bullet Hell, Roguelite, Casual, Perma Death, and Roguelike): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Roguelite · 2D

Death Must Die
Shared: Bullet Hell · Roguelite · RPG

Halls of Torment
Shared: Roguelite · Bullet Hell · Roguelike

Megabonk
Shared: Roguelite · Bullet Hell · Roguelike

Magicraft
Shared: Roguelite · Bullet Hell · Roguelike

Brotato
Shared: Bullet Hell · Roguelike · Roguelite

Nordic Ashes: Survivors of Ragnarok
Shared: Bullet Hell · Roguelite · Roguelike

Noobs Want to Live
Shared: Bullet Hell · Roguelike · Casual

BALL x PIT
Shared: Roguelite · Bullet Hell · Roguelike

God Of Weapons
Shared: Roguelite · Bullet Hell · RPG

Cultivation Story: Reincarnation
Shared: Roguelite · Bullet Hell · RPG

The Binding of Isaac
Shared: Roguelike · Procedural Generation · Indie

暖雪 Warm Snow
Shared: Roguelite · Roguelike · 2D

Hades
Shared: Roguelite · Roguelike · Indie

Soulstone Survivors
Shared: Roguelite · Bullet Hell · Roguelike

Boneraiser Minions
Shared: Bullet Hell · Roguelite · 2D

Nuclear Throne
Shared: Roguelike · Bullet Hell · Roguelite

UnderMine
Shared: Roguelite · RPG · Top-Down

Enter the Gungeon
Shared: Bullet Hell · Roguelike · 2D

Hades II
Shared: Roguelite · Roguelike · Action

Brutal Orchestra
Shared: Roguelite · RPG · Roguelike

Asgard's Fall — Viking Survivors
Shared: Bullet Hell · Roguelite · Casual

Rogue: Genesia
Shared: Bullet Hell · Roguelite · Roguelike

Seraph's Last Stand
Shared: Bullet Hell · Casual · Roguelike