1、学css
select the plates
Flexbox Defense
Flexbox Froggy
Grid Garden
Flex Box 冒险游戏:
Grid 攻击: https://codingfantasy.com/games/css-grid-attack
Flexbox 格子骑士: https://knightsoftheflexboxtable.com/
CSS 动画: https://css-animations.io/

2、学黑客的
hacknet
uplink
hackTheGame
hacker Evolution

3、汇编代码
shenzhen io
4、学js
elevatorsaga http://play.elevatorsaga.com/
screeps https://screeps.com/
checkio https://checkio.org/
JSchallenger: https://www.jschallenger.com/
Service Workies: https://serviceworkies.com/
5、算法
lcode竞赛

设计模式游戏: https://designpatternsgame.com/
6、学习java
codecym

codingame 多种语言选择 https://www.codingame.com/start
codecombat 多种语言 https://codecombat.cn/
codewars 多种语言 http://www.codewars.com/
7、学习 git
Git分支学习: https://learngitbranching.js.org/

8、SQL警察局: https://sqlpd.com/