Currency

Currency is the in-game money in Overflow. You can use it to buy Auras, Emotes, Locks (Lock to Insane and Extreme), etc. There are currently only 2 main currency, Lapis and Aquamarine.Lapis is the Main Currency in overflow and it's pretty easy to get. To get Lapis: With Lapis, you can unlock In-game Cosmetics like: Aquamarine is the main currency in Overflow. It's harder to get than Lapis. To get Aquamarine: You can even unlock new stuff with Aquamarine such as: Morganite is a limited-time currency in Overflow that can only be achieved during the 2019 Valentine's Day event, Morganite can be used to purchase items such as: You also need Morganite to earn more points on the Valentine's Day leaderboard, the top 20 players have earned an unique emote that spawns money flying everywhere when you use it.
 * Complete a map. The higher the difficulty, the better the reward.
 * Pressing buttons can reward you extra Lapis when you finish the map.
 * Get MVP and you will get even more extra Lapis.
 * Level up to get Lapis as a reward.
 * Auras
 * Emotes, etc.
 * Level up to get Aquamarine as a reward.
 * Complete Intermediate, Insane, and Extreme maps.
 * Auras
 * Emotes
 * Locks (Lock to Insane and Extreme)
 * Lovely? (Aura)
 * Swinging (Emote)
 * Moody (Trail)

During the Valentine's Day event, you would be assigned a "Link", your goal is to survive maps together with your link. When you or your link presses a button, both of you would earn Morganite, and if both of you survive and escape a map, both of you would also earn Morganite. You and your link will be awarded a badge when you complete Infernal Abyss together, you will be given a unique trail called "Heartbeat", it appears to be a heart that is fixed onto the character's torso which can be seen through walls, the heart emits a trail and can also be seen pulsing.Tourmaline is a limited-time currency in Overflow that can only be achieved during the 2019 Easter event, Tourmaline is currently unable to purchase anything.

Tourmaline is earned by playing in a team of 4, by escaping with the whole team alive and pressing buttons. When a player in your team presses a button, everyone in the team will earn a "Value", unlike the Valentine's Day event you are unable to immediately earn Tourmaline. In order to earn Tourmaline, you have to escape alive and at the end of the round you will be aware Tourmaline for the amount of "Value" you have. Teams that survive together will be given bonus Tourmaline: 18 Tourmaline for Extreme, 6 for Insane and 2 for any other difficulties.

Trivia

 * There is another currency called Morganite. It's part of the Valentine Event. But since it's over, Morganite is currently unobtainable.