Games like Power Fantasy: Nova the Astronaut
Games like Power Fantasy: Nova the Astronaut include Warframe, Wuthering Waves, The First Descendant, Marvel Rivals, and War Thunder. We matched them by the tags players give Power Fantasy: Nova the Astronaut on Steam (Action, Free to Play, RPG, and Downloadable Content): closest matches first, and among equally close ones the better-known games.

Warframe
Shared: Free to Play · Action · RPG

Wuthering Waves
Shared: Free to Play · Action · RPG

The First Descendant
Shared: Free to Play · Action · RPG

Marvel Rivals
Shared: Free to Play · Action · RPG

War Thunder
Shared: Free to Play · Action · Free To Play

Neverwinter
Shared: Free to Play · RPG · Action

Once Human
Shared: Free to Play · Action · RPG

Honkai Impact 3rd
Shared: Free to Play · Action · RPG

SMITE®
Shared: Free to Play · Action · RPG

Blue Protocol: Star Resonance
Shared: Action · Free to Play · RPG

Apex Legends™
Shared: Free to Play · Action · Free To Play

Path of Exile
Shared: Free to Play · RPG · Action

Star Trek Online
Shared: Free to Play · RPG · Action

Paladins®
Shared: Free to Play · Action · Free To Play

NTE: Neverness to Everness
Shared: Free to Play · RPG · Action

Halo Infinite
Shared: Free to Play · Action · Free To Play

Enlisted
Shared: Action · Free to Play · Free To Play

Black Myth: Wukong
Shared: Action · RPG

Aimlabs
Shared: Free to Play · Action · Free To Play

Zenless Zone Zero
Shared: Free to Play · Action · RPG

Albion Online
Shared: Free to Play · RPG · Free To Play

Eternium
Shared: Free to Play · RPG · Action

Game of Thrones Kingsroad
Shared: Action · RPG · Free to Play

Blood of Steel
Shared: Free to Play · RPG · Action