Slide-the-Board Merge
One swipe moves every tile at once; equal numbers that collide merge.
- Prototype complexity
- Who plays
- Solo decisions
- Design focus
- Planning · Spatial · Risk
No.171204801The core loop
Action → feedback → next choice- 01Choose a direction
- 02Whole board shifts
- 03Equal tiles merge
- 04A new tile spawns
↻Feedback changes the situation — the next round starts from there.
Walk through one round
A simplified design example. Situations and numbers illustrate the mechanic, not exact rules from a reference game.
- T1
Turn 1 · The situation
128 sits bottom-left with 64, 32 and 16 above it; a 2 appears top-right.
- T2
Turn 2 · The player chooses
The player keeps swiping left and down, never up.
- T3
Turn 3 · The feedback
Four swipes later two 16s merge and chain into a 256.
- T4
Turn 4 · The next decision
Small numbers accumulate on the right, needing cleanup without breaking the corner.
How it plays
Players pick up, down, left or right and every tile moves that way; matching numbers merge into larger ones. A new tile spawns after each move, and the game ends when the board is full with no merges.
What the player weighs
- Corner strategy vs emergency merges: consistent directions are safe until you're forced to break them.
- Big merges vs small cleanup: chasing big numbers lets small tiles clog the board.
02Start small
Scope is an editorial estimate for the minimum prototype, not the reference game or a production schedule.
03One mechanic, different implementations

2048
Every swipe slides tiles to the edge, equal numbers double, a 2 or 4 spawns each move, and the goal is reaching 2048.

Threes!
Tiles move only one step per swipe, 1 and 2 combine into 3, then equal numbers merge, and a preview hints at the next tile.
The difference worth noticing
2048 slides tiles all the way for speed; Threes moves one step and previews the next tile for finer planning.
Case notes are Yoroll editorial summaries; rules may change between versions.
04What could you combine?
Inventory items carry weight values; sliding merges same-type items to save weight, but every slide adds a new pickup that takes space.
Prototype this combo in Yoroll→Follow the next idea
Drop the Cargo Down
The cargo can't be matched away; clear what's beneath it so it sinks to the exit.
- Prototype complexity
- Who plays
- Solo decisions
- 01Locate the cargo's column
- 02Clear pieces under it
- 03Cargo falls with gravity
- 04Reach the exit to collect
Fuse Two Power Pieces
Two special pieces collide and become something new, not just the sum of both.
- Prototype complexity
- Who plays
- Solo decisions
- 01Create one power piece
- 02Create a second
- 03Bring them together
- 04Trigger a combined effect
Fill a Line to Clear It
Space is the only resource: fill a line to reclaim it, or get crowded out.
- Prototype complexity
- Who plays
- Solo decisions
- 01Read current and next piece
- 02Choose where to place it
- 03Full lines clear space
- 04Shape the gaps for later

