Here is the full list of all 18 Retro Wing Prime achievements.
Achieve max rank.
Achieve a score of 100 in a single play.
Achieve a score of 500 in a single play.
Achieve a score of 1000 in a single play.
Achieve a cumulative score of 500 over the course of all plays.
Achieve a cumulative score of 2,000 over the course of all plays.
Achieve a cumulative score of 5,000 over the course of all plays.
Kill 100 enemies with the Grenade Launcher in a single play.
Kill 100 enemies with the Laser Cutter in a single play.
Kill 100 enemies with the Laser Ring in a single play.
Kill 100 enemies with the Blaster in a single play.
Kill 100 enemies with the Piercer in a single play.
Kill 100 enemies with the Shotgun in a single play.
Kill 100 enemies with the Wing ship in a single play.
Kill 100 enemies with the Hulk ship in a single play.
Kill 100 enemies with the Needle ship in a single play.
Kill 100 enemies with the Bomber ship in a single play.
Kill 100 enemies with the Swarm ship in a single play.