Tennis Online Duel
Online Tennis Duel is a realistic first person tennis game with an ideal physical ball. Play with your friends or someone random across the internet.

Very Positive · 112 reviews
88% positive (98 / 112)

















A story-rich JRPG set in a dystopian future where you befriend dinosaur companions, face tough choices with heart and humor, and unlock multiple endings.
Released
December 22, 2023
Price
Platforms
Linux · Windows
Developer
Publisher
Last sync
September 26, 2026
After a mysterious blackout, a high-tech island spirals into chaos: prehistoric creatures are unleashed, rogue AIs take control, and shadowy corporations pull the strings.
Lead a diverse team of survivors, face moral choices of HATE or LOVE, and decide the fate of Chronos Island.
🎮 90s-inspired JRPG — blending the spirit of Chrono Trigger, Phantasy Star, Undertale, and Dino Crisis.
🦕 Scientifically accurate dinosaurs — reconstructed with real paleontology consulting.
👥 7 playable characters — each with unique abilities, styles, and backstories.
🧩 Moral choices of HATE or LOVE — influence the world around you and unlock multiple endings.
🌍 A living island to explore — distinct ecosystems, hidden secrets, and futuristic facilities to restore.
⏱️ Long playtime —
🎶 Original soundtrack — nostalgic and epic, also available in the Deluxe bundle.
“Undertale, Jurassic Park and Phantasy Star collide in a time-traveling dinosaur JRPG.” — GamesRadar
“A remarkable RPG. Beautiful art, amazing music, and an emotional story.” — Grinding Cast
“It feels nostalgic yet fresh. If you love dinosaurs, this game is perfect for you.” — IGN
Part of the profits from Dino Hazard go directly into scientific research in paleontology, supporting studies on real dinosaur fossils.
👉 Choose your path. Restore the future. Survive the blackout.