Regenerate is too overpowered, at least introduce a longer cooldown period where enemies can't simply just regenerate back up to where you damage them.
Lack of damage recovery protection
Controls are too sensitive
Score powerup is useless compared to the other two
lack of damage recovery protection
Annoying music that didn't match the game at all. Enemy spawn positions are big problems.
Oh, did I mention there's a LACK OF DAMAGE RECOVERY PROTECTION?
Trophies have prio for your last 5-10 weeks. You only need around $150k + all trophies to get the 300k. The trophies are easily done by just going horizontal on the dirt level which the specific item you want is on.
Also, max helper is awesome.