Another way to obtain free rewards is to complete the Obbys in 2 Player Pizza Factory Tycoon. You will obtain the 0.5x Frenzy Time buff by performing your first rebirth.

The Rebirth mechanic in 2 Player Military Tycoon (Image via Roblox) Redeeming codes helps you collect various important rewards in Roblox 2 Player Military Tycoon.