Doofus

Levelcodes:

1.2: DZ15YS
1.3: PH16TB
1.4: PJ69JP
1.5: ZR6189
2.2: HK94DV
2.3: RR13RV
2.4: XH37ZT
2.5: PK49FD
3.2: KB15HL
3.3: LV18PV
3.4: BY87PY