diff --git a/flake.nix b/flake.nix
index 8c7c5d32..75d2f222 100644
--- a/flake.nix
+++ b/flake.nix
@@ -129,6 +129,109 @@
               name = "Accentor API client in JavaScript";
               packages = with pkgs; [ nodejs yarn ];
             };
+            gamification2 = pkgs.devshell.mkShell {
+              name = "Gamification 2";
+              imports = [ "${devshell}/extra/language/c.nix" ];
+              packages = with pkgs; [
+                (pkgs.lowPrio binutils)
+                findutils
+                cmake
+                gnumake
+                nodejs
+                postgresql_14
+                ruby_3_1
+                yarn
+              ];
+              env = [
+                { name = "PGDATA"; eval = "$PRJ_DATA_DIR/postgres"; }
+                { name = "DATABASE_HOST"; eval = "$PGDATA"; }
+                { name = "GEM_HOME"; eval = "$PRJ_DATA_DIR/bundle/$(ruby -e 'puts RUBY_VERSION')"; }
+                { name = "PATH"; prefix = "$GEM_HOME/bin"; }
+              ];
+              commands = [
+                {
+                  name = "pg:setup";
+                  category = "database";
+                  help = "Setup postgres in project folder";
+                  command = ''
+                    initdb --encoding=UTF8 --no-locale --no-instructions -U postgres
+                    echo "listen_addresses = ${"'"}${"'"}" >> $PGDATA/postgresql.conf
+                    echo "unix_socket_directories = '$PGDATA'" >> $PGDATA/postgresql.conf
+                    echo "CREATE USER gamification2 WITH PASSWORD 'gamification2' CREATEDB;" | postgres --single -E postgres
+                  '';
+                }
+                {
+                  name = "pg:start";
+                  category = "database";
+                  help = "Start postgres instance";
+                  command = ''
+                    [ ! -d $PGDATA ] && setup-db
+                    pg_ctl -D $PGDATA -U postgres start -l log/postgres.log
+                  '';
+                }
+                {
+                  name = "pg:stop";
+                  category = "database";
+                  help = "Stop postgres instance";
+                  command = ''
+                    pg_ctl -D $PGDATA -U postgres stop
+                  '';
+                }
+                {
+                  name = "pg:console";
+                  category = "database";
+                  help = "Open database console";
+                  command = ''
+                    psql --host $PGDATA -U postgres
+                  '';
+                }
+              ];
+              language.c = {
+                compiler = pkgs.gcc;
+                includes = [ pkgs.zlib pkgs.openssl ];
+                libraries = [ pkgs.zlib pkgs.openssl ];
+              };
+            };
+            tab = pkgs.devshell.mkShell {
+              name = "Tab";
+              imports = [ "${devshell}/extra/language/c.nix" ];
+              packages = with pkgs; [
+                (pkgs.lowPrio binutils)
+                findutils
+                gnumake
+                ruby_3_1
+                nodejs
+                yarn
+              ];
+              env = [
+                { name = "GEM_HOME"; eval = "$PRJ_DATA_DIR/bundle/$(ruby -e 'puts RUBY_VERSION')"; }
+                { name = "PATH"; prefix = "$GEM_HOME/bin"; }
+              ];
+              commands = [
+                {
+                  name = "server-support";
+                  category = "general commands";
+                  help = "Run everything required for a server";
+                  command = ''
+                    bundle install
+                  '';
+                }
+                {
+                  name = "server";
+                  category = "general commands";
+                  help = "Run everything";
+                  command = ''
+                    server-support
+                    rails s
+                  '';
+                }
+              ];
+              language.c = {
+                compiler = pkgs.gcc;
+                includes = [ pkgs.sqlite pkgs.libmysqlclient pkgs.zlib ];
+                libraries = [ pkgs.sqlite pkgs.libmysqlclient pkgs.zlib ];
+              };
+            };
             dodona = pkgs.devshell.mkShell {
               name = "Dodona";
               imports = [ "${devshell}/extra/language/c.nix" ];