| “ | Buying this will set your Rank to 31, or 32 if you are playing BTD4 expansion, awarding you all tower unlocks, level 5 tower upgrade unlocks, and game mode unlocks including Sandbox Mode and Apopalypse Mode, and Deflation Mode in BTD4 Expansion. This content is all normally unlocked by simply playing the game through and getting these unlocks as you Rank up yourself. | ” |
| ~ BTD4 Expansion description |
Buy Rank 31 (Buy Rank 32 in BTD4 Deluxe) is a Premium Upgrade for BTD4 and BTD4 Expansion. It costs 
12 to use. It immediately increases your rank to rank 31 (Rank 32 in BTD4 Expansion) without having to pop any bloons. It gives you all the towers including their level 4 upgrades as well as all of the game modes. too.
Trivia[]
- In the expansion, this upgrade doesn't unlock the level 4 upgrades for the Spike Factory and Dartling Gun.