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TETR.IO | |
---|---|
Developer(s) | osk |
Publisher(s) | osk |
Release Date(s) | 2020 |
Platform(s) | Web browser |
Gameplay Info | |
Next pieces | 5 |
Playfield dimensions | 10w x 20h visible |
Hold piece | Yes |
Hard drop | Yes |
Rotation system | SRS+ (SRS with modified I piece kicks) |
Has 180 rotation | {{{180}}} |
Adjustable tuning | {{{tuning}}} |
Garbage attack type | {{{garbage}}} |
Garbage blocking type | {{{blocking}}} |
Website | {{{website}}} |
TETR.IO is an online browser game made by osk (as in ki-osk) currently in alpha development. It mainly features competitive one-on-one gameplay with a limited set of singleplayer modes. It was originally INDEV on Feburary 19, 2019, went INFDEV on January 31st, 2020, and went Alpha on March 22nd, 2020.
"TETR.IO" has multiplayer and singleplayer modes. There are 4 singleplayer modes and 3 multiplayer modes.
Singleplayer Modes
Singleplayer has 4 modes, which are Sprint, Blitz, Zen, and Custom. There used to be a 5th one, called "5,000,000 Blast", to celebrate the game reaching 5 million members.
Sprint
Sprint is your basic 40 line speedrun. Players are given a board of 10x20, and are tasked to clear 40 lines in the fastest time they can. While nothing new, you can do specific tasks in this game mode to unlock 3 Badges.
These tasks are:
Secret Grade: Complete the Secret Grade pattern and you will be awarded the Secret Grade badge.
20TSD: Clear 40 lines using 20 T-Spin Doubles. Doing this will award you the 20TSD badge.
10 PCs: Make 10 Perfect Clears in sprint. Not all PCs need to be 4 line. There just needs to be 10 PCs in the run in order for you to get the 10 Perfect Clears badge.
Note that Secret Grade is not specific to 40 Lines and can be cleared in any singleplayer mode except Zen.
Blitz
Blitz is your 2 minute score attack run, like Ultra. The twist is that there is a leveling system, that multiplies your score with each level passed. Not only do these Levels multiply your score, they increase gravity as well. It takes 3 lines to get to level 2, 5 lines to level 3, etc. Oddly, at level 11, the goal to level up (to level 12) increases by 3, (24) but then returns to the basic +2 format. (Level 12 to Level 13 would take 26 lines)
Like in other score attacks, Perfect Clears award a large amount of points. Here is the score chart for each action.
Action | Points Awarded |
---|---|
Single | 100 |
Double | 300 |
Triple | 500 |
Quad/Tetris | 800 |
T-Spin (No lines) | 400 |
T-Spin Single | 800 |
T-Spin Double | 1200 |
T-Spin Triple | 1600 |
T-Spin Mini (No lines) | 100 |
T-Spin Mini Single | 200 |
T-Spin Mini Double | 400 |
All Clear/Perfect Clear | 3500 |
B2B (Back to Back) | x * 1.5 (x meaning the value of the clear) |
Combos | x * 50 (x is the value of the combo number, so combo 1 = 50 points, combo 2 = 100 points, etc.) |
Unaffected by the level multiplier, Soft Drop gives you 1 point per cell dropped and Hard Drop gives you 2 points per cell dropped.
Zen
In Zen, the player can choose between many settings in the Zen menu. It is similar to custom, but with a levelling system. Usually used simply to relax or to train.
Custom
In custom, the player can specify even more settings than Zen, such as board size, rotation, etc. Usually used just for fun. (You can press Ctrl-Z to undo and Ctrl-X to redo)
Multiplayer Modes
In TETR.IO, there are 3 types of multiplayer modes; TETRA LEAGUE, QUICK PLAY and CUSTOM ROOM.
Mechanics
Including modern stacker staples such as Garbage(notably using "change on attack" randomization rules), Gravity, and the quintessential Line clear, TETR.IO contains several miscellaneous mechanics that offset it from other games.
Back-to-Back Chaining(B2B)
To take advantage of this mechanic, one must preform several "difficult line clears", meaning Quads and T-Spins, without clearing singles, doubles, or triples in between each difficult line clear. This is known as a Back-to-Back, and they are rewarded in other Tetris games and clones by adding one line of garbage to an attack.
Combo System
TETR.IO takes this idea one step further, and actually rewards the player according to how many Back-To-Back line clears one can clear in a row:
Range of concurrent, unbroken "difficult line clears" done in a row | The corresponding visual "B2B" indicator shown | Garbage added to the line clear's normal garbage amount |
---|---|---|
0-1 | (none shown) | 0 |
2-3 | B2B x1-B2B x2 | 1 |
4-8 | B2B x3-B2B x7 | 2 |
9-24 | B2B x8-B2B x23 | 3 |
25-67 | B2B x24-B2B x66 | 4 |
68-185 | B2B x67-B2B x184 | 5 |
186-504 | B2B x185-B2B x503 | 6 |
505-1370 | B2B x504-B2B x1369 | 7 |
1371-(unknown) | B2B x1370-(unknown) | 8 |
TETRA LEAGUE
When a player achieves level 10, they can play TETRA LEAGUE. Anonymous players cannot play this mode. Each game of TETRA LEAGUE is a 1v1 match, with a FT3(First To 3), FT5(First To 5) or FT7(First To 7) format based on one of the players' rank. The rating system is called Tetra Rating (TR), which is based on Glicko-2. TR increases for each win and decreases for each loss exclusively. When playing this mode for the first time, the player must play at least 10 ranked matches, referred to as the "rating games", to display their TR. A letter rank is assinged to all players with less than 100 RD (short for Rating Deviation) based on their percentile in the leaderboards. RD normally decreases to a lower limit of 58 RD every time the player plays a TETRA LEAGUE game, and slowly increases at a flat rate of 1 RD per day after a week of inactivity, leading to a maximum of 350 RD.
After Alpha 6.3.3
QUICK PLAY
Quick Play is a public FFA room. When the room’s number of players exceeds 100, Super Lobby Mode will be engaged. The winner achieves a Badge called Emerged victorious in a 100+ player game. This also applies to custom rooms.
CUSTOM ROOMS
Players can create a public or private room. A Room ID consisting of 4 alphanumeric characters is generated after room creation. Players may use Room IDs to join rooms.
Public rooms can be accessed through ROOM LISTING. Private rooms can be accessed either by entering a Room ID or an invitation from a friend.
One can change many settings in a custom room. These include the spin system, the passthrough modes (passthrough is when, due to network delays, attacks will literally ‘pass through’ each other), the garbage multiplier, the gravity, and more.
Extra About Multiplayer Modes
If player who KO or KO'd by Osk, that player can get these Badges:
KO by TETR.IO Founder: Play with Osk and Defend Osk
KO'd by TETR.IO Founder: Play with Osk and OK'd by Osk