Skull War at App Store analyse

12 exciting unique levels.
6 Unique power ups and create combos.

Levels:
- Finish all levels to experience different environments.
- Unlock more power ups, which gives more advantage in Nonstop Challenge.

Nonstop challenge:
- Play till death.
- Kills as many skulls as you can and gain a spot in leaderboard.

Power ups:
- Shield: Fearlessly keep pushing without bouncing back.
- Strength: Push twice harder.
- Speed up: Gain 2x speed.
- Freeze: Freeze all the enemies and push them easily when they can not move.
- Black hole: Create black hole that sucks enemies into and instantly kills them.
- Death ring: Generate death ring that instantly kills all the enemies around you.

Leaderboards:
- Global Leaderboard: Compete with all users across all platform.
- Game Center : Compete with users from just user platform.