Invaders From The Planet Moolah Slot Review & Strategy

Invaders From The Planet Moolah flips the classic alien invasion script. In this popular slot, the cows are the aliens, beaming other barnyard staples into their flying saucers. On this page, you can play Invaders From The Planet Moolah for free in demo mode, no download required or signup required. Plus, we’ll cover all the key aspects of this classic otherworldly slot game.

Invaders From The Planet Moolah

Invaders From The Planet Moolah

Invaders From The Planet Moolah was one of the first slot games to introduce cascading reels. Winning symbols are zapped away, and new ones fall in their place for cascading wins. Other than that, the game plays like most other slot games. Use this demo to give the game a try and practice your strategies.

Invaders From The Planet Moolah Snapshot

Invaders From The Planet Moolah is a sci-fi game originally developed by WMS (now Light & Wonder). Here are the game’s key stats and measurements:

  • 5×3 reel array
  • 25 fixed paylines
  • $0.25 – $125 per spin
  • 96% RTP
  • Low-medium volatility
  • Cascading wilds mechanic
  • Fixed Jackpot
  • Free Plays Bonus Feature

Invaders From The Planet Moolah Review

Invaders From The Planet Moolah was developed by WMS Gaming, which later became Scientific Games and then became Light & Wonder. While the company’s name may have changed, Invaders From The Planet Moolah has remained an iconic choice for players through the years. It offers five reels, three rows, 25 paylines, and an RTP of 96%. The volatility is low-medium.

Invaders From The Planet Moolah is perhaps best known for pioneering the cascading reels feature, which we’ll cover in the bonus section below.

The Invaders From The Planet Moolah slot offers the cascading reels mechanic, which makes the game stand out. Give the game demo a spin, and you’ll notice Invaders From The Planet Moolah doesn’t actually spin the reels. Instead, the symbols fall into place from above. Any symbols that are part of a winning payline will disappear—beamed up by the bovine aliens above the reels—and the remaining symbols will fall into the empty spaces. New symbols will then fall from the top in what’s called a “cascade,” and more wins can be triggered.

If you get four or more consecutive cascades in a single spin, you will trigger the Feature, which doles out free games based on the number of cascades you receive. More on the Feature below!

Denominations in the Invaders From The Planet Moolah slot game start as low as $0.01 and go up to $5. All paylines are active, no matter the denomination. Your total bet will be the denomination you choose multiplied by 25 (representing the paylines). For example, a $0.01 denomination spin would result in a total bet of $0.25. Meanwhile, a denomination of $1 would mean you’re betting $25 per spin. The betting range for Invaders from the Planet Moolah is $0.25 to $125.

Invaders From The Planet Moolah has an estimated RTP (return-to-player) of 96%. This percentage estimates the theoretical payouts of a slot game over time. In this case, 96% means that the game will theoretically pay out $96 for every $100 put into the game.

A 96% RTP ranks as good but not great compared to other slots. Here’s our list of the highest RTP slots.

That said, an RTP is strictly a theoretical measure intended to help players choose games. It is not a guarantee, and all outcomes are randomized. RTP is realized over a slot’s lifetime, not during your session or a given day, week, or month.

The slot volatility on Invaders from the Planet Moolah is medium-low. That means players can expect to see low wins relatively often. A medium-low volatility slot is somewhat unusual. It means the volatility falls somewhere between medium volatility and low volatility on the scale.

The reel array for Invaders From The Planet Moolah is 5×3. That means five reels and three rows throughout all gameplay. While some slots might expand the reels for certain features or bonus rounds, Invaders From The Planet Moolah does not. The game’s array is simple.

Payouts vary by symbol and quantity. Below is a quick look at symbols and payouts based on quantity. To qualify for a win, the symbols must appear left-to-right on adjacent reels in a payline.

Mixed (Dog, Grandpa, Grandma, Cowgirl, Man)20x4x1x

The wild symbol can appear on Reels 2, 3, 4, and 5. It substitutes for all other symbols.

Note that any of the symbols in the “Mixed” category can contribute to a win if they appear on a qualifying payline together.

Bonus Feature on Invaders From The Planet Moolah

Invaders from the Planet Moolah 10 Free Plays Feature Screenshot

Bonus features are like games within games. Invaders From The Planet Moolah has a bonus simply called “Feature.” When you trigger it, you receive free plays with cascading wilds and the chance to win the jackpot.

The Free Plays Feature on Invaders From The Planet Moolah

Invaders from the Planet Moolah Bonus Feature Screenshot 1

As mentioned, four or more consecutive cascades trigger the feature on Invaders From The Planet Moolah. The more cascades, the more free plays you receive. Here’s a breakdown:

  • Four consecutive cascades: 7 free plays
  • Five consecutive cascades: 10 free plays
  • Six consecutive cascades: 15 free plays
  • Seven consecutive cascades: 25 free plays
  • Eight or more consecutive cascades: 50 free plays

The Feature uses alternate reels, colored bright green (as pictured above), but your wager carries over from the base game. For example, if you trigger the Feature with a game at the $1 level, that’ll be your “bet” per free play earned in the bonus.

The base game’s paylines and payouts are the same in the Feature, and you can re-trigger the Invaders From The Planet Moolah bonus feature by getting more consecutive cascades.


Invaders From The Planet Moolah Slot Strategy

Slots are games of chance. In other words, there’s no way to guarantee a win. Keep that in mind when you play. That said, you can deploy certain strategies to make things fun while you play.


Try the demo first

Get a feel for the game by playing our free demo. It’s a risk-free way to try the game, which is the best way to practice strategy and get a feel for the mechanics. While it can be a little frustrating to get a big win and not be able to cash it out, it’s worse to lose money on a rookie mistake due to not trying it out before.


Maximize win potential

You have to play at least 25 paylines every spin on Invaders from the Planet Moolah, which means $0.01 per line is the minimum $0.25 bet per spin. You win based on payline, so a single 5x win gets you $0.05. The more you bet, the bigger the wins.

With that being said, here’s our next tip.


Be careful about denomination

If you’ve lost a few spins at a high denomination, lower it to keep playing for longer. Otherwise, you can burn through your budget too quickly.

Thankfully, Invaders from the Planet Moolah is a medium-low volatility slot, so players can expect relatively consistent, low-paying wins. That doesn’t necessarily mean a big payday, but it does usually mean playing more slots within budget.


Compete in slots tournaments

Online casinos often host online slots tournaments that can mean playing and winning a slot while also getting in on a prize pool. The more you play a qualifying slot, the higher you climb the leaderboard, and the bigger the prize. If Invaders from the Planet Moolah is a qualifying slot, that’s a great excuse to play.


Earn rewards points while you play

Whether you’re playing the Invaders from the Planet Moolah slot machine or playing the game online, make sure to earn points while you play. Online casino rewards programs give points for every bet you place while land-based casino programs usually award points based on the amount of money added to the machine. Either way, you’ll want to make sure you’re earning points while playing Invaders from the Planet Moolah.


Make sure it's part of the online casino bonus eligible games

An online casino bonus is a great way to play more slots for less of your own money. But if you’re playing with an online casino bonus, there are terms to consider, including game contribution rate and game eligibility. That’s a factor we consider when ranking the best signup promos – claim them below:

Play Real Money Invaders From The Planet Moolah

Unfortunately, there are no real money online casinos in your region. Instead, you can play slots like Invaders From The Planet Moolah at our top-recommended social and sweepstakes casinos.

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Invaders From The Planet Moolah FAQ

Yes. Invaders From The Planet Moolah is available to play online. Check our page for more details on where to play.

WMS is behind the Invaders From The Planet Moolah slot. The company has been absorbed and rebranded many times, and it now exists under the Light & Wonder umbrella.

Cascading reels is a feature pioneered by Invaders From The Planet Moolah. Winning symbols disappear, and new ones fall into place afterward for potential consecutive wins. Triggering four or more consecutive cascades in Invaders From The Planet Moolah will start the Feature.

Yes. You can play Invaders From The Planet Moolah with bonus money as long as your chosen online casino a) has the game and b) allows the bonus money to be used on it.

Yes. You can play a demo of Invaders From The Planet Moolah for free on our site. No download is required.

About the Author

Cole Rush

Cole Rush

Cole Rush is a Chicago-based writer and contributor for His work has been showcased in various gaming industry magazines and online columns. Prior to freelance writing, Cole spent seven years in communications at a gambling and lottery supplier. A Chicago native, Cole's favorite teams are, predictably, da Bears and da Bulls. When he visits the casino, you’ll most likely find him playing Mississippi Stud or spinning some slots.
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