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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b"
+dependencies = [
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d"
+dependencies = [
+ "crossbeam-channel 0.5.8",
+ "crossbeam-deque",
+ "crossbeam-utils 0.8.15",
+ "num_cpus",
+]
+
+[[package]]
+name = "ruzstd"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8cada0ef59efa6a5f4dc5e491f93d9f31e3fc7758df421ff1de8a706338e1100"
+dependencies = [
+ "byteorder",
+ "twox-hash",
+]
+
+[[package]]
+name = "ryu"
+version = "1.0.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
+
+[[package]]
+name = "scopeguard"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
+
+[[package]]
+name = "serde"
+version = "1.0.159"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c04e8343c3daeec41f58990b9d77068df31209f2af111e059e9fe9646693065"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde-big-array"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "883eee5198ea51720eab8be52a36cf6c0164ac90eea0ed95b649d5e35382404e"
+dependencies = [
+ "serde",
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.159"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c614d17805b093df4b147b51339e7e44bf05ef59fba1e45d83500bcfb4d8585"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.13",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d721eca97ac802aa7777b701877c8004d950fc142651367300d21c1cc0194744"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "slab"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6528351c9bc8ab22353f9d776db39a20288e8d6c37ef8cfe3317cf875eecfc2d"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "smallvec"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
+
+[[package]]
+name = "stable_deref_trait"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c9da457c5285ac1f936ebd076af6dac17a61cfe7826f2076b4d015cf47bc8ec"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "twox-hash"
+version = "1.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97fee6b57c6a41524a810daee9286c02d7752c4253064d0b05472833a438f675"
+dependencies = [
+ "cfg-if 1.0.0",
+ "static_assertions",
+]
+
+[[package]]
+name = "unchecked-index"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eeba86d422ce181a719445e51872fa30f1f7413b62becb52e95ec91aa262d85c"
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
+
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
+[[package]]
+name = "wasi"
+version = "0.9.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.84"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31f8dcbc21f30d9b8f2ea926ecb58f6b91192c17e9d33594b3df58b2007ca53b"
+dependencies = [
+ "cfg-if 1.0.0",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.84"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95ce90fd5bcc06af55a641a86428ee4229e44e07033963a2290a8e241607ccb9"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f219e0d211ba40266969f6dbdd90636da12f75bee4fc9d6c23d1260dadb51454"
+dependencies = [
+ "cfg-if 1.0.0",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.84"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c21f77c0bedc37fd5dc21f897894a5ca01e7bb159884559461862ae90c0b4c5"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.84"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2aff81306fcac3c7515ad4e177f521b5c9a15f2b08f4e32d823066102f35a5f6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.84"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0046fef7e28c3804e5e38bfa31ea2a0f73905319b677e57ebe37e49358989b5d"
+
+[[package]]
+name = "web-sys"
+version = "0.3.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e33b99f4b23ba3eec1a53ac264e35a755f00e966e0065077d6027c0f575b0b97"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "webutil"
+version = "0.1.0"
+source = "git+https://github.com/MinusKelvin/webutil?rev=5a54126#5a54126f6c4931df016511f605bbf4aa43c422e5"
+dependencies = [
+ "bincode",
+ "console_error_panic_hook",
+ "js-sys",
+ "serde",
+ "serde_json",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+]
+
+[[package]]
+name = "zstd"
+version = "0.7.0+zstd.1.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9428752481d8372e15b1bf779ea518a179ad6c771cca2d2c60e4fbff3cc2cd52"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "3.1.0+zstd.1.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aa1926623ad7fe406e090555387daf73db555b948134b4d73eac5eb08fb666d"
+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "1.5.0+zstd.1.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e6c094340240369025fc6b731b054ee2a834328fa584310ac96aa4baebdc465"
+dependencies = [
+ "cc",
+ "libc",
+]
diff --git a/pkgs/by-name/te/techmino/ccloader.nix b/pkgs/by-name/te/techmino/ccloader.nix
new file mode 100644
index 000000000000..3fe632a93785
--- /dev/null
+++ b/pkgs/by-name/te/techmino/ccloader.nix
@@ -0,0 +1,44 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, libcoldclear
+, luajit
+}:
+
+stdenv.mkDerivation rec {
+  pname = "ccloader";
+  version = "11.4.2";
+
+  src = fetchFromGitHub {
+    owner = "26F-Studio";
+    repo = "cold_clear_ai_love2d_wrapper";
+    rev = version;
+    hash = "sha256-zfTSMWqjFrAKW5m+9q3K2Je8bbSyhC6pC/vPAWDGCNg=";
+  };
+
+  buildInputs = [ libcoldclear luajit ];
+
+  buildPhase = ''
+    runHook preBuild
+
+    gcc -shared cold_clear_wrapper.c -lcold_clear -lluajit-${luajit.luaversion} -o CCLoader.so
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/lib/lua/${luajit.luaversion}
+    mv CCLoader.so $out/lib/lua/${luajit.luaversion}
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Luajit wrapper for Cold Clear, a Tetris AI";
+    homepage = "https://github.com/26F-Studio/cold_clear_ai_love2d_wrapper";
+    license = licenses.mpl20;
+    maintainers = with maintainers; [ chayleaf ];
+  };
+}
diff --git a/pkgs/by-name/te/techmino/libcoldclear.nix b/pkgs/by-name/te/techmino/libcoldclear.nix
new file mode 100644
index 000000000000..6957f415b7e1
--- /dev/null
+++ b/pkgs/by-name/te/techmino/libcoldclear.nix
@@ -0,0 +1,54 @@
+{ lib
+, rustPlatform
+, fetchFromGitHub
+}:
+
+let
+  # for whatever reason, rustPlatform fetches it the wrong way, so do it manually
+  pcf = fetchFromGitHub {
+    owner = "MinusKelvin";
+    repo = "pcf";
+    rev = "64cd95557f3cf56e11e4c91a963fce9700d85325";
+    hash = "sha256-2/Y5thDN5fwthk+I/D7pORe7yQ1H0UpNjVvAeSYpD5Q=";
+  };
+in
+
+rustPlatform.buildRustPackage {
+  pname = "libcoldclear";
+  version = "0.1.0";
+
+  src = fetchFromGitHub {
+    owner = "26F-Studio";
+    repo = "cold-clear";
+    rev = "1564ce9ad14aa60f32bf9a5120594933b3501548";
+    hash = "sha256-6fZpKHEJ0dsOTp755GLnxa/befCUJhjqA3Zna5UkKVo=";
+  };
+
+  # remove workspace cargo.toml so we don't load all of workspace's deps
+  postPatch = ''
+    rm Cargo.toml
+    sed -i 's%git = "https://github.com/MinusKelvin/pcf", rev = "64cd955"%path = "../pcf"%g' */Cargo.toml
+    ln -s ${pcf} pcf
+    cd c-api
+    ln -s ${./Cargo.lock} Cargo.lock
+  '';
+
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+    outputHashes = {
+      "webutil-0.1.0" = "sha256-Zg98VmCUd/ZTlRTfTfkPJh4xX0QrepGxICbszebQw0I=";
+    };
+  };
+
+  postInstall = ''
+    mkdir -p $out/include
+    cp coldclear.h $out/include
+  '';
+
+  meta = with lib; {
+    description = "A Tetris AI";
+    homepage = "https://github.com/26F-Studio/cold-clear";
+    license = licenses.mpl20;
+    maintainers = with maintainers; [ chayleaf ];
+  };
+}
diff --git a/pkgs/by-name/te/techmino/package.nix b/pkgs/by-name/te/techmino/package.nix
new file mode 100644
index 000000000000..c0467e0e5009
--- /dev/null
+++ b/pkgs/by-name/te/techmino/package.nix
@@ -0,0 +1,75 @@
+{ lib
+, stdenv
+, fetchurl
+, callPackage
+, makeWrapper
+, makeDesktopItem
+, love
+, luajit
+, libcoldclear ? callPackage ./libcoldclear.nix { }
+, ccloader ? callPackage ./ccloader.nix { inherit libcoldclear luajit; }
+}:
+
+let
+  pname = "techmino";
+  description = "A modern Tetris clone with many features";
+
+  desktopItem = makeDesktopItem {
+    name = pname;
+    exec = "techmino";
+    icon = fetchurl {
+      name = "techmino.png";
+      url = "https://github.com/26F-Studio/Techmino/assets/9590981/95981af1-f39a-47d9-bd99-a78ab767c08f";
+      hash = "sha256-+j+8m2vwaWgHYSFL6urvTcB0vA+PCZ+FYJ22CNXfcSc=";
+    };
+    comment = description;
+    desktopName = "Techmino";
+    genericName = "Tetris Clone";
+    categories = [ "Game" ];
+  };
+in
+
+stdenv.mkDerivation rec {
+  inherit pname;
+  version = "0.17.16";
+
+  src = fetchurl {
+    url = "https://github.com/26F-Studio/Techmino/releases/download/v${version}/Techmino_Bare.love";
+    hash = "sha256-IgeVsVS5FLBgoZkJiyMFC1t24HZ/fukE5R0p2YbETTA=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ love ccloader ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/share/games/lovegames
+    cp $src $out/share/games/lovegames/techmino.love
+
+    mkdir -p $out/bin
+    makeWrapper ${love}/bin/love $out/bin/techmino \
+      --add-flags $out/share/games/lovegames/techmino.love \
+      --suffix LUA_CPATH : ${ccloader}/lib/lua/${luajit.luaversion}/CCLoader.so
+
+    mkdir -p $out/share/applications
+    ln -s ${desktopItem}/share/applications/* $out/share/applications/
+
+    runHook postInstall
+  '';
+
+  passthru = {
+    inherit ccloader libcoldclear;
+  };
+
+  meta = with lib; {
+    inherit description;
+    downloadPage = "https://github.com/26F-Studio/Techmino/releases";
+    homepage = "https://github.com/26F-Studio/Techmino/";
+    license = licenses.lgpl3;
+    mainProgram = "techmino";
+    maintainers = with maintainers; [ chayleaf ];
+  };
+}