Solaris-3’s desolate beauty hits differently when you’re getting your resonator kicked by rogue Tacet Discords solo. That’s where Wuthering Waves’ co-op feature swoops in like a caffeinated Chixia – but hold your Glider Drones, rookie Rovers! Kuro Games makes you earn your multiplayer stripes by grinding to Union Level 22 first. 😭 Why this arbitrary number? Probably so you don’t faceplant into co-op while still confusing your Echo skills with lunch orders. 
Befriending 101: The UID Tango
Unlocking co-op’s just step one. Actually playing with pals requires mastering the sacred ritual of UID exchange:
- Locate your digital fingerprint (Profile > Copy UID)
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Slingshot that code to friends (Discord, carrier pigeon, smoke signals)
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Pray they’re on your server – cross-server play’s as likely as Jiyan skipping leg day
Pro-tip: If your friend list looks emptier than a post-apocalyptic Huanglong, try joining Wave communities. Just avoid anyone offering "free 5-star resonators" for your UID. 🚩
Why Bother? Co-Op Perks Unleashed
Once you’re in, Solaris-3 transforms into a playground of shared chaos:
| Solo Suffering | Co-Op Chaos |
|---|---|
| Frantic resonator switching | Each player mains ONE character (no more thumb cramps!) |
| Dying to overworld bosses | Tag-teaming Discords like pro wrestlers |
| Endless material grinds | Farm friends’ worlds for goodies ✨ |
That last bit’s golden: collectibles are SHARED during co-op. Need Sonance Caskets? Raid your buddy’s map! But remember Kuro’s cardinal sins:
❌ No opening chests in others’ worlds
❌ No starting story challenges
Think of it like visiting someone’s house: you can eat their snacks (resources), but opening their locked drawers (chests) is weird.
Advanced Shenanigans
Veterans flexing maxed-out Verinas can adopt baby Rovers. Ever seen a level 90 Calcharo solo-carry a struggling team against Crownless? It’s like watching a blender fight a tornado. 🤯
Meanwhile, co-op battle dynamics get deliciously unpredictable:
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Pros: No energy management headaches since everyone controls one resonator
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Cons: That one friend who "forgets" to dodge AOE attacks... repeatedly
The Verdict
Is grinding to Union Level 22 tedious? Absolutely. Does co-op turn soul-crushing boss fights into meme factories? 100%. Watching your friend’s Yangyang yeet herself off a cliff during serious combat never gets old.
🔔 Rover Call-to-Action: Hit that Union Level 22 grind, copy-paste your UID like it’s nuclear codes, and invade your friends’ worlds tonight! Solaris-3’s disasters taste better with company. Now go forth and make Crownless regret existing! 🚀🔥