Reverse 1999 Version 3.6 is finally here, and it's packed with events, new characters, banners, and rewards worth knowing about before you dive in. Running from July 2 to July 23, 2026, this version is shorter than usual — essentially a half-version — so players need to move efficiently to catch everything before the window closes. Whether you're chasing the new character, clearing events for materials, or stocking up on Unilogs, this guide breaks down everything coming in Ver. 3.6 Last and First Principles.
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Reverse 1999 Version 3.6 Contents
The Story: Last and First Principles
Version 3.6 centers on Laplace and a new chapter in his journey. A request, a secret, and a gift arriving at the perfect moment are pushing him to finally seek the answer he has long been searching for. The main event story, Last and First Principles, is available in Story Mode from July 2–22 and Hard Mode from July 9–22, with the Event Shop open until July 23. Players must complete main story 1ST-16 Heaven Apostles to participate. Completing challenges and event tasks earns Deductive Step currency, which can be exchanged in the Cryptography Team shop for high-value rewards including a new 6-Star Psychube The Riddle's Limit, Immaterial Photoscope, Vision Blocks, Delicate Insight Materials, and more.
New Character: Enigma
The headline character of Version 3.6 is Enigma, a 6-star Intelligence sustain unit built for the Dynamo archetype. His banner, [Deciphering Reality], runs from July 2–23 alongside rate-up 5-stars Sweetheart (Beast) and Charlie (Star). Enigma is a non-limited character and will be added to the Standard Pool after three versions, so players who miss this banner will have another opportunity later. The first 10 summons guarantees at least one 5-star or higher.
Ripples on the Water: The Selector Banner
Running alongside Enigma's banner is the [Ripples on the Water] Time-Limited Event Banner, open from July 2–23. This banner lets players freely select one 6-star character for Rate Up from the following pool: Recoleta, Melania, Tooth Fairy, Willow, Tuesday, and Isolde. The first 6-star pull is guaranteed to be the selected character. Subsequent pulls carry a 50% chance of landing the selected character, and if a non-selected 6-star is pulled, the next one is guaranteed. Notably, the first Summon x10 costs only Unilog x7, making it a strong early pull. Guarantee counts carry over to the next Ripples on the Water banner.
Ripples on the Water
Melania is especially relevant here for players building around the new Recoleta Euphoria — without Melania, Recoleta's kit doesn't function properly.
Version 3.6 Events at a Glance
Ver. 3.6 brings a solid lineup of events across the three-week window:
Last and First Principles (Main Event)
Earn Deductive Step through story stages and challenges, then spend them in the Cryptography Team shop for top-tier materials including the new Psychube.
Complete Induction (Enigma's Exclusive Mode)
Act as a mysterious character Enigma and form a research team to come up with various innovations. Create more valuable inventions and increase the level of your laboratory. As rewards to your achievements, you might get Clear Drops as well as White Rum's outfit [Sailing Around the World] completely free of any charge.
Focused Flashback
A new, regularly updating mode is live from July 4 to 23. You can deploy several teams, clear stages in the allotted time, and gain stars for rewards. Now you can use the [Brainwave Shop], with the players able to trade Primordial Pattern obtained from tasks for extra rewards.
Focused Flashback
Mane's Bulletin
Investigate three targets: Captive of Transcendentality Type II (weak to Spirit, Intelligence), Distortion of Faith Type II (weak to Beast, Intelligence), and Caterpillar of Destruction (weak to Plant). Rewards include Gluttony, Crystal Casket, Sonorous Knell, and more.
Double Minting
The 10-day event, Running July 13-23, offers free Mintage Aesthetics stages that can be cleared to get double rewards. Players are entitled to clear them four times a day and 20 times overall.
Roaring Revelry – Growling Party
To get your Roar Decibels and fill the Roar Jukebox, you will have to perform different tasks each day. Besides that, you will also receive huge Decibel boosts for daily logins. The only thing to keep in mind is that Decibels acquired from this event will not be included to a weekly cap.
The Observer's Checklist
A straightforward task-completion event rewarding Deductive Step throughout the version window.
Welcome to the Future
A late-event bonus running July 16–23, rewarding Clear Drop x400, Picrasma Candy, and Growth Materials for task completion.
Euphoria Update: Recoleta
Version 3.6 brings the Euphoria Character Enhancement System to 6-star Recoleta, unlocking stats upgrades, combat skill enhancements, and incantation effect adjustments. Eligibility requires reaching Insight III Lv. 30 for 6-star characters and completing 1ST-16. The companion event Euphoria and Lucidity runs July 2–23, rewarding Jar of Picrasma Candy and Growth Materials. While Recoleta's Euphoria opens new possibilities, it's worth evaluating your roster before committing Unilogs to her upgrade path.
Euphoria Update: Recolecta
Epiphany Effects Overview
Garments and Cosmetics
Recoleta's limited garment: The Weight of Words
Version 3. 6 brings some fresh cosmetics. To claim the limited garment [The Weight of Words] of Recoleta, you have to reach Decibel Level 10 in the Roar Jukebox and grab the Collector's Edition.
Recoleta's limited garment: The Weight of Words
Recoleta's limited garment: The Weight of Words - Jukebox
White Rum's garment: Sailing Around the World
White Rum's garment [Sailing Around the World] is obtainable for free via the Complete Induction event.
The Ever-Burning Embrace
The Card #0 to #21 series brings [The Ever-Burning Embrace] for Marsha, available for $9.99 or Crystal Drop x1,080 in the Garment Shop.
Parterre of Puzzles Wilderness Theme Pack
The Parterre of Puzzles Wilderness Theme Pack is also available for a limited time in the Wilderness Shop.
Parterre of Puzzles Wilderness Theme Pack
Conclusion
Reverse 1999 Version 3. 6, Last and First Principles is a content-packed half-update that introduces a Laplace story arc, creates a new Enigma sustain character, presents a substantial selector banner of characters, and offers a series of limited-run events packed with good items. With only 23 days left from the version, players should make themselves go after the complete story event, Complete Induction, and the Focused Flashback so they can finish off their rewards before the deadline. For the players who want not to fall behind the resources and also get the most out of this update, the combo of the top-ups and the LootBar of Reverse 1999 Top up are the quick ways to replenish and not miss out on anything Ver. 3. 6 brings.
