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Gamecheck - Exposing Fake Online Casino Games

Chrome extension by Gamecheck · Productivity · Tools

A Chrome extension in Productivity · Tools with 145 users, barely installed. Audience over the last 30 days: +12.

Specific sites only: 3 match patterns.

What the developer says, and 5 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
145
Rating
5.0 (2 ratings)
Users, last 30 days
+12
Rating, last 30 days
Steady over 30 days
Version
2.15
Updated in the store
2026-07-10
Published
2025-02-20
Manifest
V3
Browser access
2 permissions, 3 site patterns

How it has moved

Users
+12 since 03.10
131-145 · 19 readings
  1. 2026-10-04136
  2. 2026-10-08132
  3. 2026-10-10134
  4. 2026-10-11135
  5. 2026-10-13131
  6. 2026-10-16137
  7. 2026-10-17138
  8. 2026-10-18141
  9. 2026-10-19140
  10. 2026-10-21137
  11. 2026-10-22139
  12. 2026-10-23141
  13. 2026-10-24138
  14. 2026-10-25140
  15. 2026-10-28144
  16. 2026-10-29142
  17. 2026-10-30144
  18. 2026-11-01145
  19. 2026-11-02145
Rating
unchanged since 03.10
reviewsrating 5.00 · 19 readings
  1. 2026-10-04reviews2rating5.00
  2. 2026-10-08reviews2rating5.00
  3. 2026-10-10reviews2rating5.00
  4. 2026-10-11reviews2rating5.00
  5. 2026-10-13reviews2rating5.00
  6. 2026-10-16reviews2rating5.00
  7. 2026-10-17reviews2rating5.00
  8. 2026-10-18reviews2rating5.00
  9. 2026-10-19reviews2rating5.00
  10. 2026-10-21reviews2rating5.00
  11. 2026-10-22reviews2rating5.00
  12. 2026-10-23reviews2rating5.00
  13. 2026-10-24reviews2rating5.00
  14. 2026-10-25reviews2rating5.00
  15. 2026-10-28reviews2rating5.00
  16. 2026-10-29reviews2rating5.00
  17. 2026-10-30reviews2rating5.00
  18. 2026-11-01reviews2rating5.00
  19. 2026-11-02reviews2rating5.00
Users
+13 since 01.09
122-145 · 34 readings
  1. 2026-09-01132
  2. 2026-09-02130
  3. 2026-09-04123
  4. 2026-09-06124
  5. 2026-09-08122
  6. 2026-09-09124
  7. 2026-09-10125
  8. 2026-09-13123
  9. 2026-09-15124
  10. 2026-09-17125
  11. 2026-09-20128
  12. 2026-09-21130
  13. 2026-09-25134
  14. 2026-09-27131
  15. 2026-09-28133
  16. 2026-10-04136
  17. 2026-10-08132
  18. 2026-10-10134
  19. 2026-10-11135
  20. 2026-10-13131
  21. 2026-10-16137
  22. 2026-10-17138
  23. 2026-10-18141
  24. 2026-10-19140
  25. 2026-10-21137
  26. 2026-10-22139
  27. 2026-10-23141
  28. 2026-10-24138
  29. 2026-10-25140
  30. 2026-10-28144
  31. 2026-10-29142
  32. 2026-10-30144
  33. 2026-11-01145
  34. 2026-11-02145
Rating
unchanged since 01.09
reviewsrating 5.00 · 34 readings
  1. 2026-09-01reviews2rating5.00
  2. 2026-09-02reviews2rating5.00
  3. 2026-09-04reviews2rating5.00
  4. 2026-09-06reviews2rating5.00
  5. 2026-09-08reviews2rating5.00
  6. 2026-09-09reviews2rating5.00
  7. 2026-09-10reviews2rating5.00
  8. 2026-09-13reviews2rating5.00
  9. 2026-09-15reviews2rating5.00
  10. 2026-09-17reviews2rating5.00
  11. 2026-09-20reviews2rating5.00
  12. 2026-09-21reviews2rating5.00
  13. 2026-09-25reviews2rating5.00
  14. 2026-09-27reviews2rating5.00
  15. 2026-09-28reviews2rating5.00
  16. 2026-10-04reviews2rating5.00
  17. 2026-10-08reviews2rating5.00
  18. 2026-10-10reviews2rating5.00
  19. 2026-10-11reviews2rating5.00
  20. 2026-10-13reviews2rating5.00
  21. 2026-10-16reviews2rating5.00
  22. 2026-10-17reviews2rating5.00
  23. 2026-10-18reviews2rating5.00
  24. 2026-10-19reviews2rating5.00
  25. 2026-10-21reviews2rating5.00
  26. 2026-10-22reviews2rating5.00
  27. 2026-10-23reviews2rating5.00
  28. 2026-10-24reviews2rating5.00
  29. 2026-10-25reviews2rating5.00
  30. 2026-10-28reviews2rating5.00
  31. 2026-10-29reviews2rating5.00
  32. 2026-10-30reviews2rating5.00
  33. 2026-11-01reviews2rating5.00
  34. 2026-11-02reviews2rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 3 match patterns.

  • https://api.gamecheck.com/*
  • https://gamecheck.com/*
  • https://api.qa.gamecheck.dev/*
  • Act on the current tab, but only after you click it activeTab
  • React to what a page contains without reading it declarativeContent

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Gamecheck.

Like this one

Listings the catalog judges closest in what they say they do.

  1. Punchmark — genuine or fake? Game check Describes nearly the same job, smaller audience 4 users (last published figure)
  2. Casino checker Describes nearly the same job, smaller audience 42 users ★ 4.9
  3. FMG Detector Describes nearly the same job, smaller audience 7 users
  4. Kazinohi checker Describes nearly the same job, smaller audience 4 users
  5. CasinoElements Describes nearly the same job, smaller audience 148 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/gdcbpmabehcljokphenhpnoomeodkoeb/badge.svg)](https://extops.dev/extensions/gdcbpmabehcljokphenhpnoomeodkoeb)

HTML

<a href="https://extops.dev/extensions/gdcbpmabehcljokphenhpnoomeodkoeb"><img src="https://extops.dev/extensions/gdcbpmabehcljokphenhpnoomeodkoeb/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built