Square Tetris

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The New Tetris, and games with Square Tetris mode, like Tetris Worlds, reward the player for creating 4x4 block squares out of four tetrominoes. Building wide platforms (flat top sides) into the top of a square in progress allows more than one such square to be built at once, keeping options open for handling any tetromino.

The New Tetris was developed prior to the standardization of tetromino colors. The diagrams below, like most other diagrams in Tetriswiki, use Tetris Worlds colors per the more recent Tetris Guideline.

Monosquares

Spiral J monosquare

It is best to build J and L monosquares using this spiral method so that platform width is maximised as early as possible.

L on the left and J on the right require a double slide. L on the right and J on the left require a double slide if there isn't enough support below. See below.

---      -
JJ-      -
J      J--
J      JJJ
JJJ   ---J
JJJ     -J
J-     JJJ
J---   JJJ
JJJ-  JJJJ
JJJ-  --JJ
JJ--  -JJJ
JJJJ  -JJJ
JJJJ  JJJJ
JJJJ  JJJJ
JJJJ  JJJJ
JJJJ  JJJJ

Spiral L monosquare

-      ---
-      -LL
--L      L
LLL      L
L---   LLL
L-     LLL
LLL     -L
LLL   ---L
LLLL  -LLL
LL--  -LLL
LLL-  --LL
LLL-  LLLL
LLLL  LLLL
LLLL  LLLL
LLLL  LLLL
LLLL  LLLL

Non-spiral L and J monosquares

One side of each of the spiral monosquares depicted above requires a double slide. These squares are built on the same side and do not require a double slide if built on top of a 3-block platform.

---    ---
-        -
LLL    JJJ
L        J
LLL-  -JJJ
L---  ---J
LLL    JJJ
L        J
LLLL  JJJJ
LLLL  JJJJ
LLL-  -JJJ
L---  ---J
LLLL  JJJJ
LLLL  JJJJ
LLLL  JJJJ
LLLL  JJJJ

T monosquare

Building a T monosquare quickly

---    ---
T-      -T
TT      TT
T        T
TTT    TTT
TT      TT
TT-    -TT
T---  ---T
TTT-  -TTT
TT--  --TT
TTT-  -TTT
TTTT  TTTT
TTTT  TTTT
TTTT  TTTT
TTTT  TTTT
TTTT  TTTT

If three T pieces are readily available and there is only a platform one block wide upon which to build, it is wise to build in a slightly different way:

-        -
--      --
-T      T-
TTT    TTT
G        G
GGGGGGGGGG
T---  ---T
TT-    -TT
TT      TT
TTT    TTT
G        G
GGGGGGGGGG
TTTT  TTTT
TTT-  -TTT
TT--  --TT
TTT-  -TTT
G        G
GGGGGGGGGG
TTTT  TTTT
TTTT  TTTT
TTTT  TTTT
TTTT  TTTT
G        G
GGGGGGGGGG

O monosquare

--      --
--      --
OO      OO
OO      OO
OO      OO
OO      OO
OO--  --OO
OO--  --OO
OO--  --OO
OO--  --OO
OOOO  OOOO
OOOO  OOOO
OOOO  OOOO
OOOO  OOOO
OOOO  OOOO
OOOO  OOOO

I monosquare

I-      -I
I-      -I
I-      -I
I-      -I
II-    -II
II-    -II
II-    -II
II-    -II
III-  -III
III-  -III
III-  -III
III-  -III
IIII  IIII
IIII  IIII
IIII  IIII
IIII  IIII

2×4 constructions

If two of the same 2×4 constructions are put together, monosquares are formed. Alternatively, two different 2×4s can be put together (or one sandwiched between two I pieces) to make multisquares in addition to those below.

--    OO
--    OO
OO    OO
OO    OO
--    LL
L-    LL
L-    LL
LL    LL
--    JJ
-J    JJ
-J    JJ
JJ    JJ
I-    II
I-    II
I-    II
I-    II

Multisquares

Most of these multisquares can be constructed in different rotations, with the pieces being added in different orders or with an I piece on the opposite side. The following are some of the most efficient ways of building them.

SJSJ and ZLZL

--      --
-        -
-SS    ZZ-
SS      ZZ
JJ--  --LL
J--    --L
JSS    ZZL
SS      ZZ
JJSS  ZZLL
JSS-  -ZZL
JSS-  -ZZL
SS--  --ZZ
JJSS  ZZLL
JSSJ  LZZL
JSSJ  LZZL
SSJJ  LLZZ

JSSJ and LZZL

-        -
--      --
J-      -L
JJJ    LLL
S        Z
SS-    -ZZ
JS--  --ZL
JJJ-  -LLL
S---  ---Z
SSS-  -ZZZ
JSSS  ZZZL
JJJS  ZLLL
SJJJ  LLLZ
SSSJ  LZZZ
JSSS  ZZZL
JJJS  ZLLL

ZLLZ and SJJS

This is possible in The New Tetris but relies on uncommon wall kicks: see tactical rotation.

---    ---
-Z      S-
ZZ      SS
Z        S
LLL    JJJ
LZ      SJ
ZZ -  - SS
Z---  ---S
LLL-  -JJJ
LZ--  --SJ
ZZ-L  J-SS
ZLLL  JJJS
LLLZ  SJJJ
LZZZ  SSSJ
ZZZL  JSSS
ZLLL  JJJS

ZLTT and SJTT

---    ---
-Z      S-
ZZ      SS
Z        S
LLL    JJJ
LZ      SJ
ZZ-    -SS
Z---  ---S
LLL-  -JJJ
LZ--  --SJ
ZZT-  -TSS
ZTTT  TTTS
LLLT  TJJJ
LZTT  TTSJ
ZZTT  TTSS
ZTTT  TTTS

STTJ and ZTTL

-        -
--      --
-SS    ZZ-
SS      ZZ
T---  ---T
TT-    -TT
TSS    ZZT
SS      ZZ
TTTT  TTTT
TTT-  -TTT
TSS-  -ZZT
SS--  --ZZ
TTTT  TTTT
TTTJ  LTTT
TSSJ  LZZT
SSJJ  LLZZ

TZTJ and TSTL

--      --
T--    --T
TT      TT
T        T
ZZ      SS
TZZ    SST
TT-    -TT
T---  ---T
ZZ--  --SS
TZZ-  -SST
TTT-  -TTT
TTTT  TTTT
ZZLL  JJSS
TZZL  JSST
TTTL  JTTT
TTTT  TTTT

TTLZ and TTJS

This requires the same move as for the ZLLZ and SJJS multisquares, and is good to fall back on in the middle of building a T monosquare.

---    ---
T-      -T
TT      TT
T        T
TTT    TTT
TT      TT
TT -  - TT
T---  ---T
TTT-  -TTT
TT--  --TT
TT-L  J-TT
TLLL  JJJT
TTTZ  STTT
TTZZ  SSTT
TTZL  JSTT
TLLL  JJJT

LTZT and JTST

---    ---
L-      -J
L        J
LL      JJ
TTT    TTT
LT      TJ
L--    --J
LL--  --JJ
TTT-  -TTT
LT--  --TJ
LZZ-  -SSJ
LLZZ  SSJJ
TTTT  TTTT
LTTT  TTTJ
LZZT  TSSJ
LLZZ  SSJJ

LTTI and JTTI

---    ---
L-      -J
L        J
LL      JJ
TTT    TTT
LT-    -TJ
L--    --J
LL-    -JJ
TTT-  -TTT
LTT-  -TTJ
LTT-  -TTJ
LLT-  -TJJ
TTTI  ITTT
LTTI  ITTJ
LTTI  ITTJ
LLTI  ITJJ

TTLI and TTJI

Similarly to TTLZ and TTJS, good to fall back on when a T monosquare is abandoned.

---    ---
T-      -T
TT      TT
T        T
TTT    TTT
TT-    -TT
TT-    -TT
T--    --T
TTT-  -TTT
TTJ-  -LTT
TTJ-  -LTT
TJJ-  -LLT
TTTI  ITTT
TTJI  ILTT
TTJI  ILTT
TJJI  ILLT

ZLJI and SJLI

---    ---
-Z      S-
ZZ      SS
Z        S
LLL    JJJ
LZ-    -SJ
ZZ-    -SS
Z--    --S
LLL-  -JJJ
LZJ-  -LSJ
ZZJ-  -LSS
ZJJ-  -LLS
LLLI  IJJJ
LZJI  ILSJ
ZZJI  ILSS
ZJJI  ILLS

JSLI and LZJI

-        -
--      --
J-      -L
JJJ    LLL
S--    --Z
SS-    -ZZ
JS-    -ZL
JJJ    LLL
SLL-  -JJZ
SSL-  -JZZ
JSL-  -JZL
JJJ-  -LLL
SLLI  IJJZ
SSLI  IJZZ
JSLI  IJZL
JJJI  ILLL

LJZI and JLSI

This requires the same move as the ZLLZ and SJJS multisquares. It is of course best built with the I on the other side if the I, J/L and Z/S are available already

--      --
-        -
- L    J -
LLL    JJJ
JJ-    -LL
J--    --L
J-L    J-L
LLL    JJJ
JJZ-  -SLL
JZZ-  -SSL
JZL-  -JSL
LLL-  -JJJ
JJZI  ISLL
JZZI  ISSL
JZLI  IJSL
LLLI  IJJJ

LSIL and JZIJ

Requiring double slide (or tactical rotation)

L-      -J
L--    --J
LL-    -JJ
----  ----
LS      ZJ
LSS    ZZJ
LLS    ZJJ
IIII  IIII
LS--  --ZJ
LSS-  -ZZJ
LLS-  -ZJJ
IIII  IIII
LSLL  JJZJ
LSSL  JZZJ
LLSL  JZJJ

With I before S or Z (triple slide or tactical rotation in addition to the moves above):

----  ----
L        J
L        J
LL      JJ
IIII  IIII
L-      -J
L--    --J
LL-    -JJ
IIII  IIII
LS--  --ZJ
LSS-  -ZZJ
LLS-  -ZJJ
IIII  IIII
LSLL  JJZJ
LSSL  JZZJ
LLSL  JZJJ

IJLO and ILJO

I        I
I        I
I-      -I
I---  ---I
I---  ---I
I-      -I
IJ      LI
IJJJ  LLLI
ILLL  JJJI
IL--  --JI
IJ--  --LI
IJJJ  LLLI
ILLL  JJJI
ILOO  OOJI
IJOO  OOLI
IJJJ  LLLI

As with many of these multisquares, the I can be on the other side and added last if the other pieces are all available already.

JJOI and LLOI

Good to fall back on midway into a spiral L or J monosquare.

---    ---
JJ-    -LL
J        L
J        L
JJJ    LLL
JJJ    LLL
J--    --L
J--    --L
JJJ-  -LLL
JJJ-  -LLL
JOO-  -OOL
JOO-  -OOL
JJJI  ILLL
JJJI  ILLL
JOOI  IOOL
JOOI  IOOL
-        -
-        -
--L    J--
LLL    JJJ
L--    --J
L--    --J
LLL    JJJ
LLL    JJJ
LOO-  -OOJ
LOO-  -OOJ
LLL-  -JJJ
LLL-  -JJJ
LOOI  IOOJ
LOOI  IOOJ
LLLI  IJJJ
LLLI  IJJJ

Double slide

In some cases a piece must be moved sideways two or more spaces before dropping at all. The New Tetris's smooth tetromino falling animation often means this can't be done – pieces can't be moved to sit on a ledge too far under an overhang. There are methods to get around this: tactical rotation.

External links