Sandbox

Sandbox
Developer(s)	mycophobia
Platform(s)	LÖVE
Release	First release / Version 1 : December 26, 2022 Official release / Version 2 : April, 08 2024
Latest release	April 25, 2024 (Version 2.2)
Gameplay info
Next pieces	1
Playfield size	20 × 10
Hold piece	No
Hard drop	Yes (Sonic Drop)
Rotation system	ARS (modified)

Tromi is a fan game by Mycophobia. It's inspired by TGM1 and is a heavy modification of Cambridge. Designed to be an old-school flavour and relaxing game while modernising what is necessary to allow for modern gameplay.

Gameplay

Gravity

Gravity increases uniformly, unlike TGM-series games; however, it still depends on the current level.

Level

Unlike in TGM, where level has a unique implementation, level in Tromi is based on your current score, and each level has 6 smaller steps.

IRS

Main article: IRS

Abbreviation for Initial Rotation System.

Normally a piece will appear in the rotation showed in the piece preview. With IRS, holding either the left or right rotation button will cause the piece to appear rotated 90 degrees. This allows the player a higher degree of freedom when placing pieces at higher game speeds.

Formulas

Level and step

${\text{Level}}={\text{Score}}\div 60,000$

${\text{Step}}=\lfloor ({\text{Score}}\div 10,0000)\rfloor {\bmod {(}}{\text{Level}}\times 6)$

Where:

• $\lfloor ({\text{Score}}\div 10,000)\rfloor$ is rounded down.
• Level is the current level the player is on (should only be in the range of 0 to 9).
• Score is the current score.
• Step is the remainder, which is the current step they are in at their current level (should only be in the range from 1 to 6).

Scoring

Lines Bonus reward

Lines	Reward (Points)
Double	1,667
Triple	3,750
Quad	6,668
Pentad	8,335

${\text{Score}}=({\text{Moves}}\div {\text{[Active frames]}})\times (1666\times {\text{Lines}})+{\text{[Lines Bonus]}}$

Where:

• Moves is the number of cells the piece moved (including manual moves, manual soft drops, and gravity).
• Active frames is the number of frames since the block spawned until the piece locked down.
• Lines is the number of lines just cleared by the active player.
• Lines Bonus is the extra bonus for clearing two or more lines. Look at the table on the right to calculate

Speed timings

Dynamic value Level Step Gravity (G) ARE (frame) Lock (frame) DAS (frame) Level Step Gravity (G) ARE (frame) Lock (frame) DAS (frame) 0 1 0.013 20 30 12 5 1 0.842 20 30 12 2 0.015 20 30 12 2 1.029 20 30 12 3 0.016 20 30 12 3 1.323 20 30 12 4 0.018 20 30 12 4 1.852 20 30 11 5 0.021 20 30 12 5 3.086 20 30 10 6 0.025 20 30 12 6 9.259 20 30 9 1 1 0.027 20 30 12 6 1 20 20 30 8 2 0.030 20 30 12 2 20 20 30 8 3 0.033 20 30 12 3 20 19 28 8 4 0.038 20 30 12 4 20 18 27 8 5 0.043 20 30 12 5 20 17 26 8 6 0.051 20 30 12 6 20 17 25 8 2 1 0.056 20 30 12 7 1 20 16 24 8 2 0.062 20 30 12 2 20 16 23 8 3 0.070 20 30 12 3 20 15 23 8 4 0.079 20 30 12 4 20 15 22 8 5 0.092 20 30 12 5 20 14 21 8 6 0.109 20 30 12 6 20 14 21 8 3 1 0.120 20 30 12 8 1 20 14 20 8 2 0.134 20 30 12 2 20 13 20 8 3 0.152 20 30 12 3 20 13 20 8 4 0.175 20 30 12 4 20 13 19 8 5 0.206 20 30 12 5 20 13 19 8 6 0.250 20 30 12 6 20 13 19 8 4 1 0.281 20 30 12 9 1 20 12 18 8 2 0.319 20 30 12 2 3 0.370 20 30 12 3 4 0.441 20 30 12 4 5 0.545 20 30 12 5 6 0.712 20 30 12 6

Fixed value Mode Normal 20G training ARR 1 Drop 1 DAS cut 0 DAS 8 Lock 99999999999 Gravity 20 ARE 20 NOTE Empty cells mean the value will change depending on the current level If you want to look up these values, please look at the table on the left.

External links

• Home page and download
• Leaderboard