Gems are the hard currency in the game
Used for:
- Purchasing Metal, Gold and Special Crates (Special Crates are used for unlocking Premium equipment)
- Purchasing Summon Gates (including Deluxe (11 for the price of 10) and Special Summons (usually to unlock Premium heroes although they can also be used for regular heroes at a higher chance)
- Revives to continue a run where you die (max 3 revives per run)
- Perk Re-rolls
- Advancing on BattlePass
- Purchasing coins
- Purchasing Energy
- Recharging Daily events (once per event)
- Resetting Skill Tree
- Purchasing equipment upgrade material from Merchant (large quantities)
- Purchasing equipment from Merchant
- Purchasing Perks from Merchant
Obtained from:
In Runs:
- Kills (if you have the Treasure Hunter perk; or Wonder Hunter in events featuring it)
- Mystery Crates - random amount between 10 and 20
- Hidden Treasures - amount is determined by the run (e.g. World 14 gives 15 gems)
- Jackbot’s Jackpot
Outside Runs:
- One time rewards in Castles (higher floors)
- One-time rewards in Campaign (for each boss)
- Levelling up Player level (60 gems for each level after level 5)
- Offer wall (only some players have access to offers, I think it depends on your country)
- Purchase for real money
Note: Please let me know if I’ve missed any uses / earning options
