Games like Spaceman Sparkles 3
Games like Spaceman Sparkles 3 include PRAGMATA, Trailmakers, We Love Katamari REROLL+ Royal Reverie, STAR WARS™ Battlefront II (Classic, 2005), and Deliver Us The Moon. We matched them by the tags players give Spaceman Sparkles 3 on Steam (Action, Space, Cute, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

PRAGMATA
Shared: Action · Cute · Space

Trailmakers
Shared: Space · Action

We Love Katamari REROLL+ Royal Reverie
Shared: Action · Cute · Space

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Space

Deliver Us The Moon
Shared: Action · Space · Walking Simulator

SPORE™
Shared: Space · Cute · Action

Call of Duty®: Infinite Warfare
Shared: Action · Space

STAR WARS Jedi: Survivor™
Shared: Action · Space

STAR WARS™ Battlefront™ II
Shared: Space · Action

Dead Space (2008)
Shared: Action · Space

HELLDIVERS™ 2
Shared: Action · Space

The Invincible
Shared: Walking Simulator · Space · Action

LOCKDOWN Protocol
Shared: Space · Action · Cute

Zenless Zone Zero
Shared: Action · Cute

STAR WARS™: Squadrons
Shared: Space · Action

SPORE™ Galactic Adventures
Shared: Action · Space

Warhammer 40,000: Space Marine 2
Shared: Action · Space

Deaths Door
Shared: Cute · Action

Elite Dangerous
Shared: Space · Action

Escape From Duckov
Shared: Action · Cute

EVERSPACE™
Shared: Space · Action

Party Animals
Shared: Cute · Action

Mass Effect (2007)
Shared: Action · Space

LEGO® Star Wars™: The Skywalker Saga
Shared: Space · Action