Life & fun · alternatives · 2026

24 alternatives to riddles.io

Run your own programming competition

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. riddles.io launched in 2017; newer entries below may have overtaken it.

1. 1
   APIbunny▲60

   An API game of geeky riddles

   2015 · apibunny.com · its alternatives →

2. 2
   none*▲123

   A mysterious game of riddles

   2015 · whatisnone.com · its alternatives →

3. 3
   Probs▲78

   Free crowd-sourced problem solving

   2015 · its alternatives →

4. 4
   Oh Hi▲79

   A logic game

   2014 · 0hh1.com · its alternatives →

5. 5
   There Is A Bot For That▲219

   Search engine for bots

   2017 · its alternatives →

6. 6
   Hungry Techs▲112

   Jobs for hungry programmers

   2017 · hungrytechs.com · its alternatives →

7. 7
   Chrome Experiments▲137

   Showcase of web experiments written by creative coders

   2015 · experiments.withgoogle.com · its alternatives →

8. 8
   Elevator Saga▲91

   The elevator programming game

   2015 · play.elevatorsaga.com · its alternatives →

9. 9
   Uberbot▲174

   Test the coding skills of potential hires

   2015 · its alternatives →

10. 10
    Codecrap▲93

    Where developers go to laugh and cry

    2014 · codecrap.com · its alternatives →

11. 11
    Game of Hacks▲72

    Test your application hacking skills.

    2014 · its alternatives →

12. 12
    Startup Challenge ▲108

    A learning game for Startup Class by Sam Altman

    2014 · its alternatives →

13. 13
    FiLR▲66

    A beautifully simple puzzle game

    2015 · apps.apple.com · its alternatives →

14. 14
    WTF Is My Bot Strategy?▲139

    Need an idea for the next hot new bot startup? Click here.

    2016 · its alternatives →

15. 15
    Botbuzz▲127

    On-Demand chatbot developers

    2016 · buzz.ai · its alternatives →

16. 16
    Programming Excuses▲93

    Excuses For Lazy Coders

    2015 · programmingexcuses.com · its alternatives →

17. 17
    Swarm Challenges▲19

    Check in, win prizes!

    2016 · support.foursquare.com · its alternatives →

18. 18
    Fluky▲105

    A friendly randomiser

    2014 · fluky.io · its alternatives →

19. 19
    NerdyData▲93

    A Search Engine for Source Code

    2014 · nerdydata.com · its alternatives →

20. 20
    CheckiO▲102

    Open platform for AI competitions

    2014 · checkio.org · its alternatives →

21. 21
    Synonymy▲81

    Game of finding the paths between random words

    2014 · synonymy-game.com · its alternatives →

22. 22
    Robot Turtles▲69

    The game for little programmers

    2015 · exploratoriumstore.com · its alternatives →

23. 23
    Light-Bot▲84

    Programming Apps Teaching the Basics of Code

    2015 · lightbot.com · its alternatives →

24. 24
    Bracket Madness▲67

    Create a pool with a few swipes

    2015 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →