CounterAttack is a side scrolling space shooter (shmup). It's an indie adventure game developed by Relative Games and published by Relative Software LTD in 2019. Team up or fight solo, 1 - 4 player local or up to 8 players online coop, unlock upgrades, use powerful ultimate abilities, enhance your ship the way you want, and save the Earth from annihilation.
The game is very lightweight to run; all new computers can play CounterAttack.
Every new PC meets the RAM requirement of 2gb.
Also, note that at least 3gb of hard drive space is required.