Competitions:
1. Contest 2023 by Theodosis Prousalis: https://hriqtests.com/contest-2023/ - until December 31st 2023.
2. The Übermensch by Domagoj Kutle https://highiqtests.com/the-%C3%BCbermensch-contest - until January 31st 2024.
3. Prize of the Beheaded Man by Paul Cooijmans: http://iq-tests-for-the-high-range.com/prize_behead.html - until December 21st 2025.
4. World I.Q. Challenge by Brennan Martin: http://www.worldiqchallenge.com/ - until perfect score is reached
Recommended tests:
1. Three Sonnets by Heinrich Siemens: http://tweeback.com/hriq/Three-Sonnets.pdf
2. Mathodica 22 by Mislav Predavec: http://news.generiq.net/Mathodica22/mathodica22.html
3. Verecenthon by Ivan Ivec: http://ivec.ultimaiq.net/vercent.htm
4. Labyrinthine LIMIT by Paul Cooijmans: http://iq-tests-for-the-high-range.com/labyrinthine_limit.html
5. LDA-SWaN by Gianluigi Lombardi: https://ldaswantest.wixsite.com/iqtest/
6. Challenger by Zoran Bijač: https://globeiq.net/challenger-2/
7. TetrastIQ Light by Gabriel Garofalo: https://tetrastiqlight.weebly.com/
8. DOT&LINE&PLANE by Tianxi Yu: http://www.chinahighiq.com/col.jsp?id=134
9. Death Figures by Tianxi Yu: http://www.chinahighiq.com/col.jsp?id=139
Practice tests:
1. IQ Test Prep: https://iqtestprep.com/
2. Wechsler IQ Test: https://wechsleriqtest.com/