: Over 600 unlockable items, including character skins and weapon materials, are earned solely through gameplay rather than microtransactions.

“...one of those surprise hits for me of the year... each level is like a trip down memory lane and reminds me of when I had epic battles that left a complete mess of my bedroom...” www.gamingnexus.com · 1 year ago

: Between enemy waves, you explore detailed environments to collect credits and build defenses like Lego-style walls and turrets.