Games like Space STG II

Here are some great alternatives to Space STG II by Invent Venture :
Space Cruises:Shooting game
Space Cruises:Shooting game
★4.8
Galaxy Genome [Space Sim]
Galaxy Genome [Space Sim]
★4.6
Iron Marines 2 - Invasion RTS
Iron Marines 2 - Invasion RTS
★4.5
Galaxy Clash: Evolved Empire
Galaxy Clash: Evolved Empire
★3.3
Xterium: Sci-Fi Space Strategy
Xterium: Sci-Fi Space Strategy
★3.7
Galaxy Trader - Space RPG
Galaxy Trader - Space RPG
★4.6
Space Rocket Exploration
Space Rocket Exploration
★3.4
Out There: Ω Edition
Out There: Ω Edition
★4.1
Stellar Wind Idle: Space RPG
Stellar Wind Idle: Space RPG
★4.6
Space Force 2: Galaxy Defender
Space Force 2: Galaxy Defender
★4.2
Galaxy Attack & Space Shooter
Galaxy Attack & Space Shooter
★4.1
Stellaris: Galaxy Command
Stellaris: Galaxy Command
★4.2
Galaxy Shooter Games
Galaxy Shooter Games
★4.1
Space Battle: Galaxy Shooter
Space Battle: Galaxy Shooter
★3.8
Neonverse: Invaders Shoot'EmUp
Neonverse: Invaders Shoot'EmUp
★4.5
Second Galaxy
Second Galaxy
★4.0