I just added a new free 1 Level-Demo. 

The game is now 95% done and has the following features:

• 10 levels with differnt settings and soundtracks
• 80 different enemies
• X-Box Controller support
• 3 special weapons (Flamethrower, Napalmbomb and Powerline)
• 7 timed power-ups
• Collect fuel and diamonds to recharge your special weapons
• 4 difficulties
• Hall of Fame
• Intro/Outro
• 10 Boss-Battles

There will be:

• no microtransactions
• no season passes
• no cut content
• no incomplete early access game
• no pay to win mechanic