Here is the full list of all 37 Steredenn achievements.
Beat the game using the Blaster only.
Kill 2500 fighters.
Destroy the Astroworm.
Destroy the Garbage Collector.
Kill 500 fighters.
Kill 1000 enemies.
Finish the game once.
Destroy the Nemesis.
Meet the Mothership.
Destroy a Battleship boss.
Destroy a Carrier boss.
Kill a spy with the flamethrower.
Complete a boss rush.
Destroy the Mothership.
Kill 250 enemies.
Destroy a Cruiser boss.
Destroy a Destroyer boss.
Pick 15 differents weapons.
Destroy a Frigate boss.
Kill 50 enemies.
Destroy a Bomber boss.
Kill 10000 fighters.
Destroy 100 cargos.
Pick all weapons at least once.
Pick all Energy weapons.
Pick all Bullets weapons.
Pick all Heavy weapons.
Pick all Bots weapons.
Pick all Melee weapons.
Finish the first loop.
Defeat all the bosses in the Arena at least once.
Dies 50 times.
Try all upgrades.
Destroy the Alien ship.
Destroy the Old Friend.
Beat the Red Baron
Destroy the Super Chabal.