3D hardcore shoot them up with a certain difficulty and replay-ability.
Retry is the best learning curve !
Possibility to go through the levels from above or from a rear view when you dive in offering a rich gameplay and originality.
Concentrated fire button, shake your device to launch a powerful airstrike.
6 levels, 6 bosses, 3 spaceships and loots to unlock with in game cash (no In App Purchase).
Basic online score with 100 entries (try to find a unique nickname)
Possibility to the name of 5 friends to compare scores.

// Option A // 3t371d

To STUp shoot'em up mod from happymod.gamesite.info.
You need enable the option "Unknown Sources".
1. Click on the above link to STUp shoot'em up mod APK.
2. Save the file in your device s folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B // 4s1q4h

To STUp shoot'em up from HappyMod APP, you can follow this:
1. Open your browser and the HappyMod APK file from happymod.gamesite.info - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android s and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search STUp shoot'em up in HappyMod App.