3D cubes · Number merging
Stacktris 2048: aim for a merge before adding height
Stacktris 2048 is Mirra Games’ three-dimensional number-merging puzzle. Aim a numbered cube and drop it onto the stack, bringing equal values together to form larger numbers. The board grows upward as well as across, so the next useful match depends on position and height, not just the incoming value.
Quick facts
- A 3D merging puzzle by Mirra Games
- Equal values produce larger cubes
- No time limit in the published rules
How to play
Find a matching cube that the incoming piece can reach. The published rules impose no timer, so inspect the stack before dropping.
- 1
Find the matching value
Read the number on the cube waiting to drop. Look for the same value in an accessible area rather than choosing a landing point by colour alone.
- 2
Aim above the intended position
Use A or D, or drag with the left mouse button, to adjust the aim. Check the height around your target so another cube does not intercept the drop.
- 3
Drop and inspect the result
Click the left mouse button or press Space to release. Watch the resulting stack and merges before aiming the following cube.
Controls
Desktop controls
- A and D adjust the aim; dragging with the left mouse button also aims the cube.
- Click the left mouse button or press Space to drop. Give the game focus before using the keyboard.
Phone and tablet
- Use the game’s touch interface to adjust the drop position.
- Follow the release prompt shown in the embedded version; check the full stack before committing the drop.
What makes this puzzle different
A vertical number puzzle
Matching values buried beneath another cube are harder to reach than equal values on the exposed surface.
Larger numbers through matching
Equal-number cubes combine into higher values. The useful challenge is creating reachable pairs while keeping the surrounding stack manageable.
Practical placement tips
- Aim at an exposed matching cube when possible; adding a nonmatching cube above it can make that future pair harder to reach.
- Avoid repeatedly dropping into the tallest area just because its number looks promising. First check whether the intended contact is actually available.
- Use the absence of a timer to study the stack from the visible angle. Reassess after a merge rather than repeating the same landing position automatically.
Who might enjoy it
2048 players seeking a new layout
This suits people who enjoy numerical merging but want placement and height to influence the next match.
Fans of considered drop puzzles
Choosing the target before releasing is more useful here than treating the drop action as a rapid-click challenge.
Score, goals and the end of a round
Aim for larger values, including 2048, while increasing the in-game score. Careful merges keep the stack workable; unplanned drops can bury numbers and add excessive height. Follow the visible boundary and end message for this build’s loss condition. Reaching 2048 is not described as an automatic end to play.
Game questions answered
What are the keyboard controls for Stacktris 2048?+
Use A or D to aim and Space to drop. The published desktop controls also allow mouse dragging to aim and a left click to release the cube.
Does Stacktris 2048 have a time limit?+
The official distribution description says there is no time limit. You can examine the stack before deciding where to drop.
How is it different from ordinary 2048?+
You aim and drop cubes into a 3D stack instead of sliding a flat board. The height and accessibility of matching cubes affect the next merge.
Does getting a 2048 cube guarantee the game is finished?+
The title sets 2048 as a recognisable number goal, but the published instructions do not state that it always ends the run. Follow the result shown in the game.
Sources for this guide
Guide checked：
Make the first drop deliberate
Find an exposed matching value and inspect its neighbours before you release the cube.
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