Game Night!: This weekend! https://www.facebook.com/events/317792721696252/
One-on-one combat shooter mixed with side-scrolling shooter. Seems to have fairly easy achievements, discounting the online ones. If you can find it cheap in the store (< $10), then I'd suggest picking it up.
Game Traits applied to WarTech: Senko no Ronde (X360) by SnowWolf75