Faster jets:

Enter ZPPY
as a code.

Big guns:

Enter HMMR
as a code.

Huge guns:

Enter QD
as a code.

Rapid fire:

Enter FRHS
as a code.

Speed shots:

Enter NSTNT
as a code.

Dual fire:

Enter NDBMBS
as a code.

Spin shots:

Enter DZZY
as a code

Shields when rolling:

Enter SCRW
as a code.

Top gun mode:

Enter DH
as a code.

Overlords mode:

Enter VRLRDS
as a code.

Valhalla mode:

Enter WNRLFST
as a code.

Ghost mode:

Enter SNKY
as a code.

Double Bux:

Enter TWFSTD
as a code.

Add 10 Bux:

Enter WNNNGS
as a code.

Weapon level-up at 3:

Enter PYRS
as a code.

Switch planes:

Enter NDCSN
as a code.

Instant win:

Enter SMSHNG
as a code

Slow down to hover:

Enter SSPNDRS
as a code.

Show boxes:

Enter BXDRW
as a code.

Show waypoints:

Enter WYPNT
as a code.

All FMV sequences:

Enter GRTD
as a code.