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'''Cambridge''' is a Lua-based falling-block-game engine dedicated to creating a robust, easily customizable platform for creating new, custom game modes. | '''Cambridge''' is a Lua-based falling-block-game engine dedicated to creating a robust, easily customizable platform for creating new, custom game modes. | ||
The first public release of Cambridge coincided with the first [[Carnival of Death#Carnival of Darkness|Carnival of Darkness]]. | |||
== Game modes == | == Game modes == |
Revision as of 20:39, 26 May 2019
Cambridge | |
---|---|
Developer(s) | Joe Zeng |
Platform(s) | Windows, macOS, Linux |
Release | May 2019 |
Latest release | v0.1 (May 23, 2019) |
Gameplay info | |
Next pieces | variable |
Playfield size | 10 × 24, 20 visible rows |
Hold piece | Yes, with IHS |
Hard drop | All variants supported |
Rotation system | Classic ARS, Ti-ARS, SRS, Cambridge |
Cambridge is a Lua-based falling-block-game engine dedicated to creating a robust, easily customizable platform for creating new, custom game modes.
The first public release of Cambridge coincided with the first Carnival of Darkness.
Game modes
These game modes are exclusive to, or originated from, Cambridge:
- Marathon 2020
- Survival 2020
- Strategy
- Interval Training
- TetrisGram™ Pacer Test
These game modes from other creators are also supported:
- Demon Mode, created by Oshisaure
- Phantom Mania, originally from Nullpomino
- Phantom Mania 2
And these modes from published Tetris games:
- Ligne (40 lines mode)
- Marathon A1 (Tetris The Grand Master)
- Marathon A2 (Master mode from Tetris The Absolute The Grand Master 2)
- Marathon A3 (Master mode from Tetris The Grand Master 3 Terror-Instinct)
- Survival A1 (20G mode from TGM)
- Survival A2 (Death mode from TAP)
- Survival A3 (Shirase mode from Ti)
- Line Attack (Another mode from Ace)
Marathon 2020
Marathon 2020 is Cambridge's own "Master" game mode, that endeavours to take the level-based game system from the TGM series up to 20 (twice), in celebration of the year 2020.
Gameplay
The goal of this mode is to reach level 2020. Every piece placed increases the level by 1, and every line cleared also increases the level by 1, with bonuses for large numbers of lines:
Lines cleared | Levels advanced |
---|---|
1 (single) | 1 |
2 (double) | 2 |
3 (triple) | 4 |
4 (tetris) | 6 |
When the current level reaches one less than the level at the bottom of the display (usually a multiple of 100), the level will not advance until a line is cleared.
Levels
Each section is 100 levels long, except for the last section, whose levels go from 1900 all the way to 2020.
However, it is possible to be stopped early on if you do not play fast enough.
Torikans
There are certain checkpoints at which your current time will be checked and you will be stopped if your time is over a set objective time.
Level | Time limit |
---|---|
500 | 06:00:00 |
900 | 08:30:00 |
1000 | 08:45:00 |
1500 | 11:30:00 |
1900 | 13:15:00 |
At levels 500, 1000, and 1500, you will be stopped immediately if your time is not under the objective.
At level 900, the next section will be capped at 999, and you will get a short credit roll when the last section is over.
At level 1900, the next section will be capped at 2000, and you will be stopped immediately with no credit roll.
Speed
Marathon 2020 gets faster in two different, independent ways, the gravity curve and the delay curve.
The gravity curve is always the same at a particular level, while the delay curve can vary based on your previous section time.
Gravity Curve
The gravity curve is the same as it is in the original TGM and TAP.
Level | Internal Gravity (1/256 G) |
Level | Internal Gravity (1/256 G) |
---|---|---|---|
0 | 4 | 220 | 32 |
30 | 6 | 230 | 64 |
35 | 8 | 233 | 96 |
40 | 10 | 236 | 128 |
50 | 12 | 239 | 160 |
60 | 16 | 243 | 192 |
70 | 32 | 247 | 224 |
80 | 48 | 251 | 256 (1G) |
90 | 64 | 300 | 512 (2G) |
100 | 80 | 330 | 768 (3G) |
120 | 96 | 360 | 1024 (4G) |
140 | 112 | 400 | 1280 (5G) |
160 | 128 | 420 | 1024 (4G) |
170 | 144 | 450 | 768 (3G) |
200 | 4 | 500 | 5120 (20G) |
Delay Curve
The delay curve is shown as in the following table. Line ARE is always equal to ARE.
Level | ARE | Lock | DAS | Line | Cool |
---|---|---|---|---|---|
0 | 27 | 30 | 15 | 40 | 45.00 |
100 | 24 | 30 | 12 | 25 | 41.50 |
200 | 21 | 30 | 12 | 25 | 38.50 |
300 | 18 | 30 | 9 | 20 | 35.00 |
400 | 16 | 30 | 9 | 15 | 32.50 |
500 | 14 | 30 | 8 | 12 | 29.20 |
600 | 12 | 26 | 8 | 12 | 27.20 |
700 | 10 | 22 | 8 | 8 | 24.80 |
800 | 8 | 19 | 7 | 8 | 22.80 |
900 | 6 | 17 | 7 | 6 | 20.60 |
1000 | 6 | 15 | 6 | 6 | 19.60 |
1100 | 6 | 15 | 6 | 4 | 19.40 |
1200 | 6 | 15 | 6 | 4 | 19.40 |
1300 | 5 | 15 | 5 | 4 | 18.40 |
1400 | 5 | 15 | 5 | 2 | 18.20 |
1500 | 4 | 15 | 4 | 2 | 16.20 |
1600 | 4 | 13 | 4 | 2 | 16.20 |
1700 | 4 | 11 | 4 | 2 | 16.20 |
1800 | 4 | 10 | 4 | 2 | 16.20 |
1900 | 4 | 9 | 4 | 2 | 16.20 |
2000 | 4 | 8 | 3 | 2 | 15.20 |
The delay curve always advances at least 1 level at or above level 500, and if you get a section cool when the level is 500 or higher, it will advance 2 levels instead. This means that you can reach the maximum delay level of 2000 as early as level 1200, after which it will stay at 2000 until the end of the game.
Section COOL
If your time in a particular section from 0 to 70 is smaller than the "cool" requirement at that level on the delay curve, your delay curve will be bumped up an extra level at the end of the section.
In order to get a section cool, your 0-70 section time must be below the cutoff and no more than 2 seconds slower than your previous 0-70 time.
Grading
Grades in Marathon 2020 are represented as number ranging from 0 to 50, then GM. It is currently unknown how the GM grade is obtained.
Basic grades
Internally, the grade counter is a number that can range from 0 to 30.
At the beginning of the game, it starts at 0. To increase it, you must bring an internal grade point counter past a certain threshold.
The threshold is set at 50 points for the first grade, then 100 more points for the next grade, then 150 points for the grade after that, and so on. You reach the maximum level of 30 at a total of 23,250 points.
A table of the thresholds in grade points required to reach each level is provided below:
Grade | Threshold |
---|---|
0 | 0 |
1 | 50 |
2 | 150 |
3 | 300 |
4 | 500 |
5 | 750 |
6 | 1050 |
7 | 1400 |
8 | 1800 |
9 | 2250 |
10 | 2750 |
11 | 3300 |
12 | 3900 |
13 | 4550 |
14 | 5250 |
15 | 6000 |
16 | 6800 |
17 | 7650 |
18 | 8550 |
19 | 9500 |
20 | 10,500 |
21 | 11,550 |
22 | 12,650 |
23 | 13,800 |
24 | 15,000 |
25 | 16,250 |
26 | 17,550 |
27 | 18,900 |
28 | 20,300 |
29 | 21,730 |
30 | 23,250 |
Points are given according to a different scale, the point level. The point level is calculated by taking your current actual level, and adding the delay level to it.
The points given for clearing certain amounts of lines is given as follows at particular point levels:
Point level | Single | Double | Triple | Tetris |
---|---|---|---|---|
0 | 10 | 20 | 30 | 40 |
100 | 10 | 20 | 30 | 40 |
200 | 10 | 20 | 30 | 48 |
300 | 10 | 20 | 30 | 60 |
400 | 10 | 20 | 36 | 72 |
500 | 10 | 21 | 42 | 84 |
600 | 10 | 24 | 48 | 96 |
700 | 10 | 27 | 54 | 108 |
800 | 10 | 30 | 60 | 120 |
900 | 11 | 33 | 66 | 140 |
1000 | 12 | 36 | 72 | 160 |
1100 | 13 | 39 | 81 | 180 |
1200 | 14 | 42 | 90 | 200 |
1300 | 15 | 45 | 99 | 220 |
1400 | 16 | 48 | 108 | 240 |
1500 | 17 | 52 | 117 | 260 |
1600 | 18 | 56 | 126 | 280 |
1700 | 19 | 60 | 135 | 300 |
1800 | 20 | 64 | 144 | 320 |
1900 | 21 | 68 | 153 | 340 |
2000 | 22 | 72 | 162 | 360 |
2100 | 23 | 76 | 171 | 380 |
2200 | 24 | 80 | 180 | 400 |
2300 | 25 | 84 | 189 | 420 |
2400 | 26 | 88 | 198 | 440 |
2500 | 27 | 92 | 207 | 460 |
2600 | 28 | 96 | 216 | 480 |
2700 | 29 | 100 | 225 | 500 |
2800 | 30 | 104 | 234 | 520 |
2900 | 31 | 108 | 243 | 540 |
3000 | 32 | 112 | 252 | 560 |
3100 | 33 | 116 | 261 | 580 |
3200 | 34 | 120 | 270 | 600 |
3300 | 35 | 124 | 279 | 620 |
3400 | 36 | 128 | 288 | 640 |
3500 | 37 | 132 | 297 | 660 |
3600 | 38 | 136 | 306 | 680 |
3700 | 39 | 140 | 315 | 700 |
3800 | 40 | 144 | 324 | 720 |
3900 | 41 | 148 | 333 | 740 |
Past level 1000, a 4-line clear will always give (30 * current grade), regardless of point level.
The remaining 20 grades come from section cools. Every section cool you get boosts your score by one grade. There are no regrets.
Points are also taken away with the time it takes to lock down a piece. The delay counter starts at 0, and increases by (current grade + 2) every frame. When the counter reaches or exceeds 240, it resets to 0, and 1 grade point is taken away.
Grades are based on the maximum grade points achieved. Once a grade has been attained, it cannot be lost even if grade points drop below the threshold for that grade.
Survival 2020
Survival 2020 is the Death mode to Marathon 2020's Master mode, and introduces a new mechanic known as total delay. If your piece has been active for the length of the total delay, it will lock down regardless of how much lock delay the piece had on move or step reset.
Strategy
Strategy Mode flips the normal "figure out where to place a piece as you move it" logic of Tetris inside-out. In Strategy mode, most of your time is spent waiting for pieces before executing a fast sequence of inputs to get them where you want them to go.
The goal of the game is to get to level 999, just like TGM, except with the following speed curve:
Level | ARE/Line clear (frames) |
Lock (frames) |
DAS (frames) |
---|---|---|---|
000-099 | 60 | 8 | 6 |
100-199 | 54 | 8 | 6 |
200-299 | 48 | 8 | 6 |
300-399 | 42 | 8 | 6 |
400-499 | 36 | 8 | 6 |
500-599 | 30 | 6 | 6 |
600-699 | 24 | 6 | 6 |
700-799 | 21 | 4 | 6 |
800-899 | 18 | 4 | 6 |
900-999 | 15 | 4 | 6 |
Interval Training
Interval Training is a mode specifically for players who are attempting to break the 2:28 torikan in Survival A3, or play more consistently at the top speed bracket in Marathon A3.
The game will stay at the same speed level throughout, which is the top speed level in Master mode, or the level 300 speed level in Shirase:
Speed level | ARE (frames) |
Line ARE (frames) |
DAS (frames) |
Lock (frames) |
Line clear (frames) |
---|---|---|---|---|---|
0 - unlimited | 4 | 4 | 6 | 15 | 6 |
The time limit is 30 seconds per section, and resets to 30 seconds (without adding the unused time from the previous section) at the beginning of a new section. Players play until they top out or run out of time in a single section. There is no maximum level — play can continue infinitely as long as the player can manage under 30 seconds per section consistently.
TetrisGram™ Pacer Test
The TetrisGram™ Pacer Test is a multi-stage piece-placing capacity test that progressively gets more difficult as it continues. In each segment, you must clear 3 lines. The line-clearing speed starts slowly, but gets progressively faster each minute after you hear a particular signal. Each segment is marked with with a different signal. The second time in a row you fail to clear 3 lines before the segment marker sound, your game is over.