Destroy a Vault uses two currencies. Cash comes from smelting the Gold your tanks knock loose from the vault, and it pays for tanks, slots, and almost every upgrade. Gems are rarer. They buy Mutation Cores that multiply a tank’s DPS. Getting rich quickly comes down to feeding the Gold loop with the right upgrades in the right order, and using codes and timed rewards to cover the slow start.
Quick answer: Redeem MOREGEMS and BOSS for Gems, smelt Gold often, and buy Vault Gold Value upgrades as soon as you can afford them. The 2x upgrade costs only $1.5K.
Destroy a Vault codes for Gems, Cash, and Lucky Rolls
The game’s Roblox description lists five active codes: MOREGEMS, FIRSTAA, BUGFIXES, BOSS, and 1MILLION. Two of them pay out Gems, and the amount scales with your vault level. Early accounts get 25K Gems from BOSS. That is exactly enough for one Flame Core.
| Code | Reward | Status |
|---|---|---|
| MOREGEMS | Gems (scales with vault level) | Active |
| BOSS | Gems (25K on an early account) | Active |
| BUGFIXES | Cash (amount varies) | Active |
| FIRSTAA | 1 Lucky Roll | Active |
| 1MILLION | 1 Lucky Roll | Active |
| BUGFIX2 | 15-minute Time Skip | Not in game description |
| RELEASE, UPDATE, 100K | None | Expired |
BUGFIX2 briefly worked as a Time Skip code. It is missing from the developer’s own list, which was updated on October 16, so expect it to fail. The BUGFIXES payout has varied between accounts, with Cash amounts in the tens of thousands.
How to redeem codes
Codes are not case-sensitive, but a single wrong letter still breaks them. New codes are posted in the LoopForge Studios Discord server, which is linked from the game’s Roblox page.
How Gold turns into Cash
Tanks in your placement slots fire at the vault automatically. Damage spawns Gold that piles up next to it. That Gold is worth nothing until you carry it to the furnace, so the full loop takes three actions.
Tanks keep earning Gold while you are offline. Place your best lineup before you log out, then smelt the backlog when you return. Auto Collect is a separate paid gamepass that handles pickup for you.
Each vault also has a fixed HP bar. When your tanks drain it to zero, the vault explodes, drops Gems and Cash, and respawns as a tougher tier. HP climbs fast, going from 20K to 225K, then 3.75M, then 75M. Breaking vaults is the main in-game source of Gems outside codes.
Vault Gold Value upgrades and costs
The Upgrade Vault Gold Value board on Island 1 multiplies the Cash value of every piece of Gold you collect. Each tier also changes how the vault looks. Because it scales all future income, it pays for itself faster than almost anything else.
| Upgrade | Cost |
|---|---|
| 1x Gold → 2x Gold | $1.5K |
| 2x Gold → 3x Gold | $1.2M |
| 3x Gold → 4x Gold | $25M |
| 4x Gold → 5x Gold | $1.14B |
The 2x tier is nearly free, so buy it on your first smelt. The 3x tier at $1.2M is the first one worth saving for over a new tank.
Tank Luck and Roll Spots at the Roll Tanks station
Better tanks hit the vault harder, and better rolls are how you find them. The board beside the Roll Tanks station has two upgrades. Increase Tank Luck raises the odds of higher rarities. Increase Roll Spots raises how many tanks each spin offers.
| Upgrade | Sample step | Cost |
|---|---|---|
| Roll Spots | 1 → 2 | $800 |
| Roll Spots | 2 → 3 | $10K |
| Roll Spots | 3 → 4 | $250K |
| Tank Luck | 2x → 3x | $437 |
| Tank Luck | 9x → 10x | $21.99K |
| Tank Luck | 15x → 16x | $360.94K |
| Tank Luck | 19x → 20x | $5.1M |
| Tank Luck | 21x → 22x | $11.97M |
Early Luck tiers cost pocket change, while the 20x range runs into the millions. Roll Spots is cheap up to 3. Note that Roll Spots only affects the spin. It does not add any space on your base for tanks to fight from. That requires buying placement slots.
Rolling a tank does not mean you own it. Each result shows its odds and a Cash price, and you buy the one you want before equipping it in a slot.
| Tank | Rarity | Odds | Price |
|---|---|---|---|
| Kindling | Rare | 1 in 2,400 | $1.7M |
| Violet Rail Kite | Epic | 1 in 8,000 | $4M |
| Isotope | Epic | 1 in 20,000 | $7M |
| Manta Tempest | Legendary | 1 in 156,000 | $58M |
| Halo Sentinel | Mythic | 1 in 1,727,273 | $550M |
Kindling starts at 2.24K DPS and Violet Rail Kite starts at 26.02K at level 1. Isotope reaches 54.64K, and Manta Tempest hits 101.41K. That jump explains why a single Legendary can finish off a 3.75M HP vault on its own. Compare a new tank’s displayed DPS with whatever it would replace, not just its rarity.
Tank Damage, Tank Battery, and island expansions
Island 1 has a board with Increase Tank Damage and Increase Tank Battery. Damage raises the output of every tank on that island. Battery matters once your tanks start stopping to recharge between bursts. Both upgrades are cheap to step through early and are worth buying repeatedly.
The Expand Plot board adds islands with extra placement slots. Island 2 costs $700K, and Island 3 costs $61.92M. Slots on a new island are purchased separately, with early ones priced at $2.5K, $7K, $18K, and so on, up to $250K.
Every island has its own Damage and Battery board, and it starts at 1.0x. Tanks on Island 2 will underperform until you upgrade that island’s board, which starts at $750 per step.
Island 2 also unlocks the Fuse Machine. Bring it four copies of the same tank and it fuses them into a single MEGA tank with stronger stats. Duplicate rolls are worth keeping once you get there.
Spending Gems on Mutation Cores
Gems are spent at the Gem Shop stall in the Market, reached with the Market button at the top of the screen. Each core applies a permanent DPS multiplier to one tank.
| Core | Rarity | Effect | Gem cost |
|---|---|---|---|
| Iron Core | Epic | 1.5x DPS | 5K |
| Flame Core | Legendary | 1.75x DPS | 25K |
| Frost Core | Mythic | 2x DPS | 150K |
| Lightning Core | Divine | Not shown | 400K |
Cores can also be bought with Robux, but the Robux prices have shifted between sessions. Applying a core is simple. Select it on your hotbar so your avatar is holding it, then walk into the tank you want to boost.
A banner confirms it worked, for example “Flame mutation added to your Kindling!”, and the tank’s DPS updates right away. A Flame Core took one Kindling from 2.69K to 4.7K DPS. Put cores on your strongest tank, since the multiplier is worth the most there.
Free Cash from playtime rewards and passive boosts
The REWARDS button on the left HUD tracks your time in the session and unlocks prizes as timers run out. The Cash amounts scale with your progress, so they keep mattering in the late game.
| Reward | Unlocks after |
|---|---|
| Bushwhacker tank (1 in 90) | 290s |
| $66.81M Cash | 890s |
| $133.62M Cash | 1490s |
| 30m Time Skip | 2390s |
| Isotope tank (1 in 20k) | 3290s |
| $400.86M Cash | 6890s |
Those Cash figures come from a mid-game account. A Starburst (1 in 60k) also sits in the track, and a Skip All option costs 99 Robux. Claiming the first Cash prize alone can cover a Vault Gold Value tier, so open the menu every time a timer finishes.
Two passive boosts also help. Nighttime grants +25% Damage and +25% Luck, so it is a good window for heavy rolling. The Index rewards collecting, giving +2.5% luck for every five unique tanks you discover, which makes a new name worth buying even when it won’t stay in your lineup.
Put together, the fastest route is codes first for a Gem head start, then Vault Gold Value whenever it’s affordable. After that, buy cheap Luck and Roll Spots tiers, and claim every reward timer. When the vault’s HP bar outpaces your tanks, a second island and a core on your best tank usually close the gap.
