Comparison

Gigabull vs OpenTyrian 2000

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Gigabull

Embark on a retro-style space shooter adventure synchronized to an original soundtrack. Reclaim sacred thumb drives containing songs from a debut album to defeat a nefarious villain and save your home planet.

Highlights
  • Retro-style pixel art
  • Original soundtrack synchronization
  • Bullet hell gameplay
  • Space shooter adventure
  • Planet reclamation mission
  • Hand-crafted enemies and backgrounds
Features
Read full description

Gigabull is unveiling one song/month from their debut album, Ox Send, each paired with a level in their video game. In this adventure, Gigabull, the band's namesake and the universe's most nefarious horned villain, has seized 10 sacred thumb drives. Each drive contains a piece of the cacophonous puzzle to defeat him: a song from the album. Your mission: reclaim them all. Take on the role of a G.N.A.R. (Gigabull Nebula Attack Reserve) pilot, fighting through the lunar system to reclaim your home planet from Gigabull. Become immersed in hand-crafted pixel art enemies and backgrounds synchronized to the original soundtrack. Become a legendary pilot in this retro-style, bullet hell space shooter.

About

OpenTyrian 2000

Experience a classic vertical scrolling space shooter with five full episodes, hundreds of weapons, and ship upgrades. Navigate asteroid fields, battle bosses, and uncover a rich storyline. Optimized for mobile with touch controls and controller support.

Highlights
  • Five full episodes
  • Hundreds of weapons and upgrades
  • Multiple game modes
  • Rich storyline
  • FM synth soundtrack
  • Controller support
  • iCloud save sync
Features
Read full description

OpenTyrian 2000 is a faithful port of the classic DOS game Tyrian 2000, widely regarded as one of the greatest vertical scrolling shooters ever made. FEATURES: - Five full episodes of intense arcade action - Hundreds of weapons, shields, and ship upgrades - Multiple game modes: Full Game, Arcade, and Timed Battle - Rich storyline told through collectible data cubes - Iconic FM synth soundtrack - Apple TV with game controller support - iCloud save sync across iPhone, iPad, and Apple TV - Touch controls optimized for mobile with virtual joystick and direct touch modes, plus game controller support - Configurable action buttons and sensitivity - 11 languages: English, Spanish, French, German, Portuguese, Italian, Chinese, Arabic, Hindi, Japanese, Korean Originally created by Jason Emery and published by Epic MegaGames in 1999, Tyrian 2000 was later released as freeware. OpenTyrian is an open-source port that preserves the original gameplay while adding modern platform support. Navigate through asteroid fields, battle massive bosses, and uncover the conspiracy behind the mineral-rich planet Tyrian. Collect data cubes for lore, upgrade your ship at shops between levels, and discover secret levels and bonus games. Whether you played the original or are discovering it for the first time, OpenTyrian 2000 delivers the definitive classic arcade shooter experience. Privacy URL: https://playtyrian.com/privacy.html Support URL: https://tablefy.eu/feedback/8ee344ef/frostdev/6 Marketing URL: https://playtyrian.com/index.html

Screenshots

Gigabull4 screens
OpenTyrian 20004 screens

Verdict

The call

The clearest difference is price: Gigabull at Free against OpenTyrian 2000's $0.99. Gigabull also leads on rating (5.0 vs 4.4) and review sentiment (100% vs 82%). OpenTyrian 2000's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Gigabull is free to download; OpenTyrian 2000 costs $0.99 up front. Gigabull sells 3 one-off in-app purchases. OpenTyrian 2000 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Gigabull holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 32 and 8 respectively. Written reviews point the same way: 100% of Gigabull's written reviews are positive against 82% of OpenTyrian 2000's.

UpkeepUpdate frequency

Gigabull ships an update weekly, OpenTyrian 2000 every 2 weeks. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Gigabull versus OpenTyrian 2000: the parameters behind the verdict, then further details
ParameterGigabullOpenTyrian 2000
PriceFree — better$0.99
Rating5.0 (32 ratings) — better4.4 (8 ratings)
Positive reviews100.0% of reviews — better81.8% of reviews
Number of ratings32 — better8
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple TV — better
Requires iOS15.615.0 — better
Further details — not scored
Size181 MB29 MB
Age rating9+4+
DeveloperGnarhardAlvaro Escarcha Esteban

Customer experience

Gigabull

All ratings32 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

OpenTyrian 2000

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews11 reviews
Positive81.8%
Neutral0.0%
Negative18.2%

In-app purchases

3 purchases

Gigabull

One-time3
  • Arcade Audio Mode$4.99
  • Remove Revive Ads$4.99
  • Ox Send$9.99
None

OpenTyrian 2000

No in-app purchases

Questions

Is Gigabull free?
Gigabull is free to download, with in-app purchases available.
Is OpenTyrian 2000 free?
OpenTyrian 2000 costs $0.99, with no in-app purchases.
Which has better reviews, Gigabull or OpenTyrian 2000?
Gigabull is rated higher. Gigabull averages 5.0 out of 5 from 32 ratings, while OpenTyrian 2000 averages 4.4 from 8 ratings.
Do Gigabull or OpenTyrian 2000 have ads?
Neither Gigabull nor OpenTyrian 2000 shows ads.
Which is updated more often, Gigabull or OpenTyrian 2000?
Gigabull ships an update weekly, and OpenTyrian 2000 every 2 weeks. Most recently, Gigabull was updated on October 24, 2026 and OpenTyrian 2000 on October 24, 2026.

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