Xtrover Independent game studio

Mobile · Offline first

XTROVER

Xtreme digital frontiers

Mobile games that work with no signal, built with obsessive care. Xtra fun, xpertly built.

Play 29 Royale Enter →
Scroll Makers of 29 Royale

01 Xtrover

Games you can play with no signal.

Offline first, polished second to none. Every shuffle, bend and cheer is hand-tuned, and nothing ships until it feels right on a cheap phone in a tunnel.

  • OfflineNo signal, no account, no waiting.
  • FeelCard bends, shuffles and voice lines you can feel.
  • CraftCraft over clutter. Fewer things, done properly.

Jack of Hearts · move to tilt · tap to flip

02 Our game

The Kinghas declaredwar.

29 Royale is the Asian trick-taking card game rebuilt as a royal duel. You and a bot partner against two rivals: bid, pick a trump, play tricks, claim the crown.

  • 4.3★70 reviews
  • 10K+installs
  • Offlineno account
  • 16+rated
Bidding

Bidding wars

Call 16 to 28, or push to 29 with a marriage. Every call is a dare.

Partner

A partner with a voice

Your bot partner bids its own hand, feeds your winning tricks, and talks back with emoji, banter and voice lines.

Arenas

Eight arenas

Jungle, Golden Egyptian, Devil's Land and five tiers beyond. Win trophies to unlock the next one.

Claim the crown.

Get it on Google Play Learn the rules

Free · Contains ads · Android

03 Studio

Small team. Sharp games.

Xtrover is a small, independent mobile game studio. We make games that work on a plane, in a tunnel, on a cheap phone: offline first, polished second to none.

Studio
Xtrover LLC
Base
St. Petersburg, FL
Engine
Unity, custom C# bot engine
Platform
Android, offline first
Published as
XTROVER GAMES
Live
29 Royale · 10K+ installs
01Idea

A classic game people already love, with a twist worth downloading.

02Prototype

Playable in a week. If it isn't fun with boxes, art won't save it.

03Bots

Three personalities that bid, bluff, double and banter. Tuned over thousands of test deals.

04Feel

Card bends, shuffles, confetti, voice lines. The last 10% is 50% of the work.

05Ship

Google Play first. Then we listen, patch, and start the next frontier.

04 Journal

Guides, strategy and news.

All guides →All news →
01 Guide ADDA No Wifi Games: cards, boards and puzzles that run offline · 4 min 02 News What is coming up in October and November 2026: Cyberpunk: Edgerunners 2 and the Esports Awards · 3 min 03 News Grand Theft Auto VI is still listed for November 19 · 3 min 04 News Planet Zoo 2 launches on October 13, with aquatic and flying species · 4 min 05 Guide Board Adda: Ludo, carrom and chess on one phone · 4 min 06 News Xtrover has a new home on the web · 5 min

05 Contact

Let's talk.

Press & partners

Interviews, co-dev, publishing. One inbox, real humans.

Player support

Bugs, refunds, ideas for the next arena. We read everything.

Early access

Want builds of what's next before anyone else? Say "frontier" and you're on the list.