Scatter Slots itself is a social casino with no cash payouts
Scatter Slots is a free-to-play social casino app. The Coins and Gems you win on the slot machines, in the Quest System, from the Status System, or in any event mode have no cash value. You can't withdraw them, cash them out, redeem them for gift cards, or convert them to real money. The slot machines are entertainment only. Murka labels the app 'intended for an adult audience' because of the character art, not because it offers gambling. The optional Coin and Gem packs in the in-app store cost real money but they only buy more in-game Coins and Gems to spin with.
The Swagbucks offer pays real SB credits, but not from Murka
Swagbucks has run a recurring Scatter Slots offer where you earn Swagbucks SB credits for reaching specific level milestones inside Scatter Slots. SB credits are redeemable on Swagbucks for gift cards or PayPal cash, so this part is real. The credits come from Swagbucks (a rewards platform that pays for various offers and tasks), not from Murka. To qualify, you have to start the Scatter Slots install from the Swagbucks offer link so the tracking pixel knows the install is tied to your Swagbucks account. Installs from the App Store or Play Store without the offer link don't count.
What levels you need to hit (it varies by promotion)
The exact level targets and SB payouts change between promotions. Past offers have paid out for reaching levels in the 50 to 150 range, with bigger SB payouts for higher milestones. Read the offer's terms carefully before starting. The level numbers, the time window you have to complete them, and the SB amounts are all set per promotion. The Reddit Swagbucks community usually has fresh discussion about whether the current Scatter Slots offer is grindable in a reasonable time or not.
The free Coin links help you grind levels faster
Levelling fast in Scatter Slots means spinning a lot, which means having a lot of Coins. The free Coin links Murka posts on the official Facebook page (and that this page collects sorted newest first) are the single best source of Coin top-ups for free-to-play grinders. Combined with the hourly bonus, daily login, and Quest System rewards, the Facebook Coin links keep your balance high enough to keep spinning at mid-tier bet levels, which earns XP faster than minimum-bet spinning and gets you to the Swagbucks milestones faster.
Avoid third-party 'real money Scatter Slots' sites
Searches for 'Scatter Slots real money', 'Scatter Slots cash out', or 'Scatter Slots withdrawal' often surface scam sites pretending to be Murka or pretending to offer cash conversion of in-game Coins. None of them are legitimate. The only ways to earn real-world value linked to Scatter Slots are the official Swagbucks offer (real, but the credits come from Swagbucks not Murka) and standard cashback browser extensions on the in-app store purchases (which gives you cashback on real-money spending, not on play money). Anything else is a scam.