Games like Novagene
Games like Novagene include FTL: Faster Than Light, CloverPit, Slay the Spire 2, Star Trek: Voyager - Across the Unknown, and Bloons TD 6. We matched them by the tags players give Novagene on Steam (Strategy, Roguelike, 3D, Space, and Aliens): closest matches first, and among equally close ones the better-known games.

FTL: Faster Than Light
Shared: Roguelike · Strategy · Space

CloverPit
Shared: Roguelike · Strategy · 3D

Slay the Spire 2
Shared: Roguelike · Strategy · Early Access

Star Trek: Voyager - Across the Unknown
Shared: Strategy · Roguelike · 3D

Bloons TD 6
Shared: Strategy · Singleplayer · 3D

Balatro
Shared: Roguelike · Strategy · Singleplayer

Homeworld 3
Shared: Strategy · Space · Singleplayer

Stellaris
Shared: Strategy · Space · Singleplayer

Rogue Tower
Shared: Strategy · Roguelike · 3D

Nubby's Number Factory
Shared: Strategy · Roguelike · Singleplayer

Sid Meier's Civilization®: Beyond Earth™
Shared: Strategy · Space · Singleplayer

Aliens: Dark Descent
Shared: Strategy · Singleplayer · Aliens

Slay the Spire
Shared: Roguelike · Strategy · Singleplayer

Distant Worlds 2
Shared: Strategy · Space · 3D

Buckshot Roulette
Shared: Strategy · 3D · Singleplayer

STAR WARS™ Empire at War - Gold Pack
Shared: Strategy · Space · Singleplayer

Heat Signature
Shared: Space · Roguelike · Strategy

Demonic Mahjong
Shared: Strategy · Roguelike · 3D

Stoneshard
Shared: Roguelike · Strategy · Singleplayer

Master of Orion
Shared: Strategy · Space · Singleplayer

Sins of a Solar Empire II
Shared: Strategy · Space · Singleplayer

Trigon: Space Story
Shared: Roguelike · Strategy · Space

Baldi's Basics Plus
Shared: Roguelike · 3D · Strategy

Crying Suns
Shared: Strategy · Space · Roguelike