<style media="screen"> html{font-size:12px}*{box-sizing:border-box;text-rendering:geometricPrecision}body{font-size:1rem;line-height:1.5rem;margin:0;font-family:Menlo,Monaco,Lucida Console,Liberation Mono,DejaVu Sans Mono,Bitstream Vera Sans Mono,Courier New,monospace,serif;word-wrap:break-word}h1,h2,h3,h4,h5,h6{line-height:1.3em}fieldset{border:none;padding:0;margin:0}pre{padding:2rem;margin:1.75rem 0;background-color:#fff;border:1px solid #ccc;overflow:auto}code[class*=language-],pre[class*=language-],pre code{font-weight:100;text-shadow:none;margin:1.75rem 0}a{cursor:pointer;color:#ff2e88;text-decoration:none;border-bottom:1px solid #ff2e88}a:hover{background-color:#ff2e88;color:#fff}.grid{display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap}.grid.\-top{-ms-flex-align:start;-ms-grid-row-align:flex-start;align-items:flex-start}.grid.\-middle{-ms-flex-align:center;-ms-grid-row-align:center;align-items:center}.grid.\-bottom{-ms-flex-align:end;-ms-grid-row-align:flex-end;align-items:flex-end}.grid.\-stretch{-ms-flex-align:stretch;-ms-grid-row-align:stretch;align-items:stretch}.grid.\-baseline{-ms-flex-align:baseline;-ms-grid-row-align:baseline;align-items:baseline}.grid.\-left{-ms-flex-pack:start;justify-content:flex-start}.grid.\-center{-ms-flex-pack:center;justify-content:center}.grid.\-right{-ms-flex-pack:end;justify-content:flex-end}.grid.\-between{-ms-flex-pack:justify;justify-content:space-between}.grid.\-around{-ms-flex-pack:distribute;justify-content:space-around}.cell{-ms-flex:1;flex:1;box-sizing:border-box}@media screen and (min-width:768px){.cell.\-1of12{-ms-flex:0 0 8.33333%;flex:0 0 8.33333%}.cell.\-2of12{-ms-flex:0 0 16.66667%;flex:0 0 16.66667%}.cell.\-3of12{-ms-flex:0 0 25%;flex:0 0 25%}.cell.\-4of12{-ms-flex:0 0 33.33333%;flex:0 0 33.33333%}.cell.\-5of12{-ms-flex:0 0 41.66667%;flex:0 0 41.66667%}.cell.\-6of12{-ms-flex:0 0 50%;flex:0 0 50%}.cell.\-7of12{-ms-flex:0 0 58.33333%;flex:0 0 58.33333%}.cell.\-8of12{-ms-flex:0 0 66.66667%;flex:0 0 66.66667%}.cell.\-9of12{-ms-flex:0 0 75%;flex:0 0 75%}.cell.\-10of12{-ms-flex:0 0 83.33333%;flex:0 0 83.33333%}.cell.\-11of12{-ms-flex:0 0 91.66667%;flex:0 0 91.66667%}}@media screen and (max-width:768px){.grid{-ms-flex-direction:column;flex-direction:column}.cell{-ms-flex:0 0 auto;flex:0 0 auto}}.hack,.hack blockquote,.hack code,.hack em,.hack h1,.hack h2,.hack h3,.hack h4,.hack h5,.hack h6,.hack strong{font-size:1rem;font-style:normal;font-family:Menlo,Monaco,Lucida Console,Liberation Mono,DejaVu Sans Mono,Bitstream Vera Sans Mono,Courier New,monospace,serif}.hack blockquote,.hack code,.hack em,.hack strong{line-height:20px}.hack blockquote,.hack code,.hack footer,.hack h1,.hack h2,.hack h3,.hack h4,.hack h5,.hack h6,.hack header,.hack li,.hack ol,.hack p,.hack section,.hack ul{float:none;margin:0;padding:0}.hack blockquote,.hack h1,.hack ol,.hack p,.hack ul{margin-top:20px;margin-bottom:20px}.hack h1{position:relative;display:inline-block;display:table-cell;padding:20px 0 30px;margin:0;overflow:hidden}.hack h1:after{content:"====================================================================================================";position:absolute;bottom:10px;left:0}.hack h1+*{margin-top:0}.hack h2,.hack h3,.hack h4,.hack h5,.hack h6{position:relative;margin-bottom:1.75rem}.hack h2:before,.hack h3:before,.hack h4:before,.hack h5:before,.hack h6:before{display:inline}.hack h2:before{content:"## "}.hack h3:before{content:"### "}.hack h4:before{content:"#### "}.hack h5:before{content:"##### "}.hack h6:before{content:"###### "}.hack li{position:relative;display:block;padding-left:20px}.hack li:after{position:absolute;top:0;left:0}.hack ul>li:after{content:"-"}.hack ol{counter-reset:a}.hack ol>li:after{content:counter(a) ".";counter-increment:a}.hack blockquote{position:relative;padding-left:17px;padding-left:2ch;overflow:hidden}.hack blockquote:after{content:">\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>\A>";white-space:pre;position:absolute;top:0;left:0;line-height:20px}.hack em:after,.hack em:before{content:"*";display:inline}.hack pre code:after,.hack pre code:before{content:''}.hack code{font-weight:700}.hack code:after,.hack code:before{content:"`";display:inline}.hack hr{position:relative;height:20px;overflow:hidden;border:0;margin:20px 0}.hack hr:after{content:"----------------------------------------------------------------------------------------------------";position:absolute;top:0;left:0;line-height:20px;width:100%;word-wrap:break-word}@-moz-document url-prefix(){.hack h1{display:block}}.hack-ones ol>li:after{content:"1."}p{margin:0 0 1.75rem}.container{max-width:70rem}.container,.container-fluid{margin:0 auto;padding:0 1rem}.inner{padding:1rem}.inner2x{padding:2rem}.pull-left{float:left}.pull-right{float:right}.progress-bar{height:8px;opacity:.8;background-color:#ccc;margin-top:12px}.progress-bar.progress-bar-show-percent{margin-top:38px}.progress-bar-filled{background-color:gray;height:100%;transition:width .3s ease;position:relative;width:0}.progress-bar-filled:before{content:'';border:6px solid transparent;border-top-color:gray;position:absolute;top:-12px;right:-6px}.progress-bar-filled:after{color:gray;content:attr(data-filled);display:block;font-size:12px;white-space:nowrap;position:absolute;border:6px solid transparent;top:-38px;right:0;-ms-transform:translateX(50%);transform:translateX(50%)}table{width:100%;border-collapse:collapse;margin:1.75rem 0;color:#778087}table td,table th{vertical-align:top;border:1px solid #ccc;line-height:15px;padding:10px}table thead th{font-size:10px}table tbody td:first-child{font-weight:700;color:#333}.form{width:30rem}.form-group{margin-bottom:1.75rem;overflow:auto}.form-group label{border-bottom:2px solid #ccc;color:#333;width:10rem;display:inline-block;height:38px;line-height:38px;padding:0;float:left;position:relative}.form-group.form-success label{color:#4caf50!important;border-color:#4caf50!important}.form-group.form-warning label{color:#ff9800!important;border-color:#ff9800!important}.form-group.form-error label{color:#f44336!important;border-color:#f44336!important}.form-control{outline:none;border:none;border-bottom:2px solid #ccc;padding:.5rem 0;width:20rem;height:38px;background-color:transparent}.form-control:focus{border-color:#555}.form-group.form-textarea label:after{position:absolute;content:'';width:2px;background-color:#fff;right:-2px;top:0;bottom:0}textarea.form-control{height:auto;resize:none;padding:1rem 0;border-bottom:2px solid #ccc;border-left:2px solid #ccc;padding:.5rem}select.form-control{border-radius:0;background-color:transparent;-webkit-appearance:none;-moz-appearance:none;-ms-appearance:none}.help-block{color:#999;margin-top:.5rem}.form-actions{margin-bottom:1.75rem}.btn{display:-ms-inline-flexbox;display:inline-flex;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;cursor:pointer;outline:none;padding:.65rem 2rem;font-size:1rem;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;position:relative;z-index:1}.btn:active{box-shadow:inset 0 1px 3px rgba(0,0,0,.12)}.btn.btn-ghost{border-color:#757575;color:#757575;background-color:transparent}.btn.btn-ghost:focus,.btn.btn-ghost:hover{border-color:#424242;color:#424242;z-index:2}.btn.btn-ghost:hover{background-color:transparent}.btn-block{width:100%;display:-ms-flexbox;display:flex}.btn-default{color:#fff;background-color:#e0e0e0;border:1px solid #e0e0e0;color:#333}.btn-default:focus:not(.btn-ghost),.btn-default:hover{background-color:#dcdcdc;border-color:#dcdcdc}.btn-success{color:#fff;background-color:#4caf50;border:1px solid #4caf50}.btn-success:focus:not(.btn-ghost),.btn-success:hover{background-color:#43a047;border-color:#43a047}.btn-success.btn-ghost{border-color:#4caf50;color:#4caf50}.btn-success.btn-ghost:focus,.btn-success.btn-ghost:hover{border-color:#388e3c;color:#388e3c;z-index:2}.btn-error{color:#fff;background-color:#f44336;border:1px solid #f44336}.btn-error:focus:not(.btn-ghost),.btn-error:hover{background-color:#e53935;border-color:#e53935}.btn-error.btn-ghost{border-color:#f44336;color:#f44336}.btn-error.btn-ghost:focus,.btn-error.btn-ghost:hover{border-color:#d32f2f;color:#d32f2f;z-index:2}.btn-warning{color:#fff;background-color:#ff9800;border:1px solid #ff9800}.btn-warning:focus:not(.btn-ghost),.btn-warning:hover{background-color:#fb8c00;border-color:#fb8c00}.btn-warning.btn-ghost{border-color:#ff9800;color:#ff9800}.btn-warning.btn-ghost:focus,.btn-warning.btn-ghost:hover{border-color:#f57c00;color:#f57c00;z-index:2}.btn-info{color:#fff;background-color:#00bcd4;border:1px solid #00bcd4}.btn-info:focus:not(.btn-ghost),.btn-info:hover{background-color:#00acc1;border-color:#00acc1}.btn-info.btn-ghost{border-color:#00bcd4;color:#00bcd4}.btn-info.btn-ghost:focus,.btn-info.btn-ghost:hover{border-color:#0097a7;color:#0097a7;z-index:2}.btn-primary{color:#fff;background-color:#2196f3;border:1px solid #2196f3}.btn-primary:focus:not(.btn-ghost),.btn-primary:hover{background-color:#1e88e5;border-color:#1e88e5}.btn-primary.btn-ghost{border-color:#2196f3;color:#2196f3}.btn-primary.btn-ghost:focus,.btn-primary.btn-ghost:hover{border-color:#1976d2;color:#1976d2;z-index:2}.btn-group{overflow:auto}.btn-group .btn{float:left}.btn-group .btn-ghost:not(:first-child){margin-left:-1px}.card{border:1px solid #ccc}.card .card-header{color:#333;text-align:center;background-color:#ddd;padding:.5rem 0}.alert{color:#ccc;padding:1rem;border:1px solid #ccc;margin-bottom:1.75rem}.alert-success{color:#4caf50;border-color:#4caf50}.alert-error{color:#f44336;border-color:#f44336}.alert-info{color:#00bcd4;border-color:#00bcd4}.alert-warning{color:#ff9800;border-color:#ff9800}.media:not(:last-child){margin-bottom:1.25rem}.media-left{padding-right:1rem}.media-left,.media-right{display:table-cell;vertical-align:top}.media-right{padding-left:1rem}.media-body{display:table-cell;vertical-align:top}.media-heading{font-size:1.16667rem;font-weight:700}.media-content{margin-top:.3rem}.avatarholder,.placeholder{background-color:#f0f0f0;text-align:center;color:#b9b9b9;font-size:1rem;border:1px solid #f0f0f0}.avatarholder{width:48px;height:48px;line-height:46px;font-size:2rem;background-size:cover;background-position:50%;background-repeat:no-repeat}.avatarholder.rounded{border-radius:33px}.loading{height:20px;width:20px;animation:a .6s infinite linear;border:2px solid #e91e63;border-right-color:transparent;border-radius:50%}.btn .loading{display:inline-block;float:left;margin-right:.5rem;width:14px;height:14px}@keyframes a{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.menu{width:100%}.menu .menu-item{display:block;color:#616161;border-color:#616161}.menu .menu-item.active,.menu .menu-item:hover{color:#000;border-color:#000;background-color:transparent}@media screen and (max-width:768px){.form-group label{display:block;border-bottom:none;width:100%}.form-group.form-textarea label:after{display:none}.form-control{width:100%}textarea.form-control{border-left:none;padding:.5rem 0}pre::-webkit-scrollbar{height:3px}}@media screen and (max-width:480px){.form{width:100%}} .dark{color:#ccc}.dark,.dark pre{background-color:#000}.dark pre{padding:0;border:none}.dark pre code{color:#00bcd4}.dark h1 a,.dark h2 a,.dark h3 a,.dark h4 a,.dark h5 a{color:#ccc}.dark code,.dark strong{color:#fff}.dark code{font-weight:100}.dark table{color:#ccc}.dark table td,.dark table th{border-color:#444}.dark table tbody td:first-child{color:#fff}.dark .form-group label{color:#ccc;border-color:rgba(95,95,95,.78)}.dark .form-group.form-textarea label:after{background-color:#000}.dark .form-control{color:#ccc;border-color:rgba(95,95,95,.78)}.dark .form-control:focus{border-color:#ccc;color:#ccc}.dark textarea.form-control{color:#ccc}.dark .card{border-color:rgba(95,95,95,.78)}.dark .card .card-header{background-color:transparent;color:#ccc;border-bottom:1px solid rgba(95,95,95,.78)}.dark .btn.btn-ghost.btn-default{border-color:#ababab;color:#ababab}.dark .btn.btn-ghost.btn-default:focus,.dark .btn.btn-ghost.btn-default:hover{border-color:#9c9c9c;color:#9c9c9c;z-index:1}.dark .btn.btn-ghost.btn-default:focus,.dark .btn.btn-ghost.btn-default:hover{border-color:#e0e0e0;color:#e0e0e0}.dark .btn.btn-ghost.btn-primary:focus,.dark .btn.btn-ghost.btn-primary:hover{border-color:#64b5f6;color:#64b5f6}.dark .btn.btn-ghost.btn-success:focus,.dark .btn.btn-ghost.btn-success:hover{border-color:#81c784;color:#81c784}.dark .btn.btn-ghost.btn-info:focus,.dark .btn.btn-ghost.btn-info:hover{border-color:#4dd0e1;color:#4dd0e1}.dark .btn.btn-ghost.btn-error:focus,.dark .btn.btn-ghost.btn-error:hover{border-color:#e57373;color:#e57373}.dark .btn.btn-ghost.btn-warning:focus,.dark .btn.btn-ghost.btn-warning:hover{border-color:#ffb74d;color:#ffb74d}.dark .avatarholder,.dark .placeholder{background-color:transparent;border-color:#333}.dark .menu .menu-item{color:#ccc;border-color:rgba(95,95,95,.78)}.dark .menu .menu-item.active,.dark .menu .menu-item:hover{color:#fff;border-color:#ccc} </style> <style media="screen"> @keyframes intro { 0% { opacity: 0; } 100% { opacity: 1; } } .powered-by { color: rgba(95, 95, 95, 0.78); } main, footer { animation: intro 0.3s both; animation-delay: 0.15s; } /* hack.css overrides and enhancements */ .main { padding: 20px 10px; } nav a.active { background-color: #ff2e88; color: #fff; } html { font-size: 13px; } @media screen and (min-width: 768px) { html { font-size: 1em; } .container { max-width: 50rem; } } </style>

play modes

xess.io features 4 play modes:

Classic
Powerup Zone
Bot Chaos
Tiny

Classic

Classic is played on an 80x80 board with no powerups

Powerup Zone

Powerup Zone adds extra powers to some pawns. Pawns spawn with hidden powers that are discovered upon capture.

Timer Pawns
Guard Pawns
Sensor Pawns

Bot Chaos

Practice against bots! Powerups enabled.

Tiny

Standard 8x8 board with a few free pieces and a 3-second move timer. Think before you move!