Geometry Dash Update 2.1, released on January 16, 2017, is widely considered one of the most significant eras in the game's history. It introduced transformative gameplay mechanics, a new main level, and expanded the creative possibilities for custom level builders. Core Additions & Gameplay
New Main Level: Fingerdash was added as the 21st official level. It features the song "Fingerbang" by MDK and serves as a showcase for the new Spider gamemode.
The Spider Gamemode: A new four-legged icon that "teleports" instantly between the floor and ceiling when clicked, rather than falling or jumping.
New Collectibles: Introduced Mana Orbs, which players earn by completing levels, and Diamonds, which are used to unlock various secrets and rewards. Geometry Dash v2.1
Reward Systems: Added the Daily Level (a specific user level that gives extra rewards each day) and the Weekly Demon (a challenging level refreshed weekly). Level Editor & Customization
Object Limit Increase: The number of objects allowed in a single level was significantly raised, allowing for much more detailed and complex designs.
New Triggers: Introduced the Rotate, Follow, and Animate triggers, giving creators the tools to make moving and rotating obstacles. Geometry Dash Update 2
Icon Kit Expansion: Dozens of new icons, ships, balls, UFOs, and waves were added, many of which are unlockable through the new Treasure Room.
Gauntlets: Thematic maps of five user-created levels that players must complete in order to earn special prizes. Secret Vaults & Community Features Geometry Dash Editor Guide - Google Docs - RobTop Games
Creators like Viprin, Serponge, and Hinds stopped building "hard" levels and started building experiences. Levels like "Sedulous" (by Samifying) and "Lit Fuse" (by Knobbelboy) used the Pulse trigger to make the blocks dance to swing, jazz, and electronic music. Viewers who didn't even play Geometry Dash started watching "GD Layouts" just for the visual sync. The Rise of "Effect Levels" Creators like Viprin,
1. New Game Mode: The Spider
2. New Level: "The Challenge"
3. The Vault of Secrets & The Chamber of Time
4. New Icons & Customization