RUSH -Run Upgrade Space Hero-

kottaro.games

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About this game

A game made for one thing only: pure satisfaction.

Portrait mode × Satisfying action!
A free, casual action game made for the perfect time killer.
Simple controls let anyone jump in instantly.
Perfect for stress relief, quick breaks, or just killing time.

■ Built for Satisfaction & Stress Relief
The core theme of this game is simple:
Satisfying.
Feel-good.
Stress-free.
Control your hero and rush straight into massive enemy crowds.
Smash through them in one powerful charge and send enemies flying.
With flashy effects, glowing neon visuals, and fast-paced running action,
every moment is designed to feel good.
The more you play, the more addictive it becomes.

■ Even If You’re Bad at Action Games
No complex controls

No thinking required

This game puts fun first.
Easy to play, hard to stop.
If you’ve ever thought,
“I’m not good at action games…”
This game was made for you.

■ Set in a Neon-Lit Space World
The stage is a futuristic space filled with glowing neon lights.
Fantasy elements blend with a sci-fi atmosphere as your hero runs forward.
Simple yet memorable visuals,
combined with punchy effects and smooth pacing,
make every run exciting and enjoyable.

■ Game Features
◆ Portrait Mode, One-Hand Play
Play comfortably with one hand in portrait mode.
Perfect for commuting, waiting time, or short breaks.
◆ Instant Fun
No tutorials. No long explanations.
Download and play immediately — anyone can enjoy it.
◆ Offline Play Supported
Playable offline.
Enjoy the game anytime, anywhere, without worrying about your connection.

■ Recommended For Players Who…
Want a great time-killer game

Love satisfying action games

Need stress relief


Enjoy flashy, feel-good effects


Are looking for a free and popular game


Prefer portrait-mode games


Want an offline action game



■ Final Words
The thrill of wiping out massive enemy crowds


The speed of nonstop forward movement


Flashy neon visuals that feel incredibly satisfying


Short sessions, big fun.
A perfect game to relax, release stress, and just enjoy the moment.

What’s new

Release