Now that the game has seen a universal price drop, bringing its retail price to $19.99, right in that budget-title range, you'll have a tougher time arguing that the added features aren't worth the price. Basically, if you're a fan of multi-directional shooters and if you have twenty bucks just laying around, pick this up!
See also: DS Fanboy Review: Geometry Wars: Galaxies
Read - Geometry Wars: Galaxies at GameStop
Read - Geometry Wars: Galaxies at Amazon