Ext Ops Panel
Open the app

Callisto space simulator

Chrome Web Store listing by Dusan Halicky

A Chrome extension with 56 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 3 screenshots

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

Users
56
Rating
2.2 (6 ratings)
Users, last 15 days
-2
Rating, last 30 days
Not watched long enough to say
Version
1.0.83
Updated in the store
2019-07-20
Published
2015-10-29
Manifest
V2
Browser access
3 permissions

How it has moved

Users
-2 since 01.09
56-61 · 10 readings
  1. 2026-09-0158
  2. 2026-09-0261
  3. 2026-09-0360
  4. 2026-09-0558
  5. 2026-09-0660
  6. 2026-09-0761
  7. 2026-09-0960
  8. 2026-09-1061
  9. 2026-09-1358
  10. 2026-09-1556
Rating
unchanged since 01.09
reviewsrating 2.17 · 10 readings
  1. 2026-09-01reviews6rating2.17
  2. 2026-09-02reviews6rating2.17
  3. 2026-09-03reviews6rating2.17
  4. 2026-09-05reviews6rating2.17
  5. 2026-09-06reviews6rating2.17
  6. 2026-09-07reviews6rating2.17
  7. 2026-09-09reviews6rating2.17
  8. 2026-09-10reviews6rating2.17
  9. 2026-09-13reviews6rating2.17
  10. 2026-09-15reviews6rating2.17
Users
-2 since 01.09
56-61 · 10 readings
  1. 2026-09-0158
  2. 2026-09-0261
  3. 2026-09-0360
  4. 2026-09-0558
  5. 2026-09-0660
  6. 2026-09-0761
  7. 2026-09-0960
  8. 2026-09-1061
  9. 2026-09-1358
  10. 2026-09-1556
Rating
unchanged since 01.09
reviewsrating 2.17 · 10 readings
  1. 2026-09-01reviews6rating2.17
  2. 2026-09-02reviews6rating2.17
  3. 2026-09-03reviews6rating2.17
  4. 2026-09-05reviews6rating2.17
  5. 2026-09-06reviews6rating2.17
  6. 2026-09-07reviews6rating2.17
  7. 2026-09-09reviews6rating2.17
  8. 2026-09-10reviews6rating2.17
  9. 2026-09-13reviews6rating2.17
  10. 2026-09-15reviews6rating2.17

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

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Declares https://ghost.sk/
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

What changed recently

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

The publisher

Dusan Halicky publishes 8 listings we track, 1k users between them.

  1. Alien invasion! Dusan Halicky · published 2015-07-01 523 users ★ 3.8
  2. RSS Reader Dusan Halicky · Lifestyle · News · published 2015-04-14 261 users ★ 2.8
  3. Ghost chat bot Dusan Halicky · published 2015-09-07 258 users ★ 3.8
Show 4 more from this publisher
  1. Domain whitelist Dusan Halicky · Make Chrome Yours · Privacy · published 2015-10-21 160 users ★ 5.0
  2. Tc calculator Dusan Halicky · published 2015-03-30 32 users ★ 4.8
  3. WordPlay Dusan Halicky · published 2015-07-17 14 users ★ 2.5
  4. Tc calculator (extension) Dusan Halicky · Productivity · Workflow · published 2018-11-14 8 users ★ 5.0

Like this one

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

  1. No Gravity Describes nearly the same job, smaller audience 10 users
  2. The Adventures of Captain Callisto Describes nearly the same job, smaller audience 8 users (last published figure)
  3. Earth and Space free Describes nearly the same job, smaller audience 386 users ★ 2.8
  4. Sci Fi Flight Simulator Game Describes nearly the same job, with an established audience 30k users ★ 4.4
  5. Space Jumper Describes nearly the same job, smaller audience 10 users (last published figure)

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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.