Geometry Wars. The game that I have described as being a "Fourth of July in your eyes!" I've played every console/handheld version, and though spawn deaths are still an issue, Geometry Wars2 is the best in the series. It may not have the best features (in bold) or the most levels, but the innovations in design makes it a clear winner. Once again, I've made a chart cross comparing games in series. It's not like I don't owe something to this game series.
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GW: Retro Evolved
GW: Galaxies
GW: Galaxies DS
Geometry Wars2
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visual clutter
moderate
minimal-lots depending on level & drone
very minimal - moderate depending on level and drone
don't die and collect geoms from fallen enemies to build multiplier up to 150x.
same as wii version
collect as many geoms as you can from fallen enemeis. dying doesn't reset multiplier.
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multiplayer
none
2 player with camera issues
2 player with interesting modes
4 players with bigger camera issues
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static space
move away and shoot behind you
less static space when the level mixes things up and player must seek geoms to build up the multiplyer. Only up to 150x then game reverts somewhat.
same as wii version
little to no static space because of the new intersecting enemy motions and the unlimited geom multiplier.
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disection of space
snakes/pink/repulsor force the player to maneuver differently. Other enemies move in a straight path to the player. Also the gravity well bends the space all around it absorbing enemy/player alike.
New level shapes with obstacles and other elements that change the possible paths the player can take. This along with new enemies like the dart/meteor cut the space in unique ways.
same as wii version
Rockets, gates, and ducks, are a few examples of new enemies that ignore the player which make interesting spatial dissections. Also, with reduced fire power, aiming is more important/difficult. Furthermore, pacifism, waves, and king force the player to move and strategize in dramatically new ways.