Here is the full list of all 15 Incandescent achievements.
Complete 2 boss waves in one game.
Kill 1000 enemies in one game.
Kill 1000 enemies without dying.
Complete the first boss wave.
Kill 500 enemies without dying.
Kill 30 enemies with 1 bomb.
Complete the 5 waves.
Kill 100 enemies in one game.
Kill 100 enemies without dying.
Kill 50 enemies without being damaged.
Complete the first wave.
Kill 20 enemies without being damaged.
Kill 10 enemies in one game
Kill 5 bosses in a single game.
Complete 50 waves in one game.