Fast Finger Rule is a minimalistic battle planet duel simulator. To make precise shots you just need to click on your planet at right time. Game has 10+ planet shield types and 15+ planets of 3 different tiers. There is also advanced upgrade system so you can progress collecting planets pieces, building new planets and create more and more advanced duel tactics.

Develop. Send expeditions to uncover new planets and collect resources for planet upgrades.
Have fun. Uncover various skills. How do you like idea to punch space mines toward opponent or take control over neutral ships.
Train. Game has "Easy Mode" where aiming is much easier.
Challenge yourself. Game has 150+ challenges along with duel mode.
Play with friends offline. There is a local PvP mode.
Go online. You can play with random people in your region or create private games for your friends.
Interact with environment. Each shot to environment objects bring some effects so you should behave strategically.