First off, the best upgrades (in my opinion to massacre every life you see on the screen except you) start with a 1. A longer worm. 2. Jagged Spikes 3. Blood Fangs 4. Flame Jets (it's easy to maneuver around mines.) 5. Shredder Teeth (so when you want to, eat a plane to live a little longer and a jeep if so.) 6. Lastly, Mega Vacuum. (you don't need to jump high, just skim on the surface, avoiding mines eating everything on the ground and sky because of Blood Fangs.) With this combo of upgrades, you have a balance of reach, Blood fangs. A healing option, Shredder teeth. Speed, Flame Jets. And defense or large health amount, Long worm. Good luck.
XT33-S Machinegun. Save up for that and destroy. Press Space while shooting, and your player will shoot, reload, shoot, reload, shoot. Endless bullets. With a fast fire rate.
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