Aeon Rivals — Free-to-Play 2D MMO!

Welcome to Aeon Rivals, a free 2D side-scroller MMO for Windows and Mac. Team up with friends, select from an expanding cast of characters and duke it out against invading Celestian monsters. You’ll have to stay on guard if you want to take these beasts down!

Celestians are invading Earth2, the home planet of many innocent lifeforms. As a member of the Aeon Rivals, your job is to stop the destruction of Earth2 before the damages become irreparable.

While Aeon Rivals is a 100% free 2D MMO, we have a strong stance against pay-to-win schemes. All our extra features offered will never give players unfair gameplay advantages. Our goal is to keep the playing field as level as possible so it stays skill-based and enjoyable for everyone.

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Want more costumes and other exclusive content?
Join Club Aeon, which also helps support PRIZZA, the game creator who has been developing this game for years on his own.

Feel free to stop by Discord for the chance to discuss the game with PRIZZA and other Aeon Guild members.


Update [2.2.6]



A few bug fixes and changes in this release. I’m prepping for a major update within the next few weeks. This March brings in The Season of Fortune and Lucky 7 events!

Lucky 7

The Lucky 7 Gachapon system is back this March. More info >>

Season of Fortune

The following eggs can be found during March:

  • Round Egg

The Victory Café also has started offering Clover Cake, a delicious treat that imbues you with extra luck. Look for more rewards after battle!

Check the changelog below for a complete list of updates.

Enjoy Aeon Rivals? Join Club Aeon! You'll get lots of cool stuff and directly support game development.


  • Auto Event rollout system. Events will automatically start themselves at the end of each month.
  • X-Bulletin quest requirements and reward pool balancing.
  • Beast defeats now count as team achievement.
  • Beast defeat data save issue.
  • Guest users receive token bonus text updates.


Update [2.2.5]



February has brought a few updates along with it, including a new Acolyte Beast discovery! Quite a few bug fixes in this release, too.

Secret Crush

Fans of the Aeon Guild are really showing their love this month. The more Victory Points you accumulate by battling, the more likely you are to receive a letters of admiration from admirers as a bonus login reward.

What might they contain?

Season of Affection

February brings about some general changes all around Earth2.

Seasonal Eggs

The following eggs have started appearing this month:

  • Smacker Egg
  • Lovely Egg

These eggs can be purchased from the Telepathic Plant Salesman when in stock or obtained as a rare reward from X-Terminal quests.

The Smacker Egg is newly discovered, hatching into an Acolyte Beast known as Scootch.

This little Acolyte can inflict Bliss on Beasts, causing them to become harmless. Attacking any Beast in this state will snap them out of this status.

Victory Café

Sigurd now offers Chocolate Hearts at the café. This item grants a 20% chance to fully heal all Health when hit.

Check the changelog below for a complete list of updates

Enjoy Aeon Rivals? Join Club Aeon! You'll get lots of cool stuff and directly support game development.


  • “Smacker” egg discovered. Found to contain a new species of Acolyte Beast!
  • New users that battle after completing training may have server data corruption.
  • Incorrect beast defeat data causes login to fail.
  • Beast defeats not properly saved in server.
  • Leave room flag stays active if logging out immediately after completing Chun training.
  • Acolyte Beasts won’t wait for target if far above and out of reach.
  • Luvlet damage increase (10 -> 20) per hit.
  • Café menu updated.
  • Chun dialogue changes.
  • UI text changes.
  • Internal modifications in prep for a later update.
  • Improved graphic offsets for some Characters and Acolyte Beasts.
  • Minor performance improvements and optimizations.


Update [2.2.4]


This updates fixes connection issues with the server due to switching to a new web host. Includes a few misc changes as well.

Check here for the last set of major changes. Click the changelog below for a complete list of changes.

Enjoy Aeon Rivals? Join Club Aeon! You'll get lots of cool stuff and directly support game development.


General Changes
  • Web server login issues.
  • Extra login gift prompt not cleared if prompt is skipped.
  • Victory Café seasonal items.
  • Seasonal events have come to a close.
  • Rewrote large portion of flavor check to improve data entry and save time.
Character Changes
  • [N/A]
Celestian Changes
  • [N/A]


Top Players (December 2018)

🎊A massive congrats to resident SRad for earning 1st with a score of 208 VP. 🎊

# Name Victory Points
Click "More" below to view all rankings...

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