Sort Them Ducks Alien Ducks: Space Category Sorting Guide

Sort Them Ducks alien ducks are the space-themed variants that spawn across the map alongside hundreds of other themed ducks — pirates, farmers, painters, food ducks, country ducks, and more. Every alien you spot needs to be picked up, carried across the map, and dropped into the space section to complete its row. Because your inventory only holds a handful of ducks at a time, aliens often sit uncollected until you commit to a dedicated space pass.

The challenge with aliens is twofold. First, they spawn in smaller numbers compared to common types like pirates, superheroes, and musicians, so a full session might only surface a few of them. Second, their design overlaps with other categories — most notably swimmers — which leads to mis-sorts that undo progress when you discover the mistake later.

To put aliens in context, here is how the space family stacks up against the categories that dominate most maps:

| Category | Example Ducks | Spawn Frequency | | Space | Alien, astronauts, moon duck | Less common | | Pirates | Standard pirate, bandit, outlaw | Common | | Music | Violin, banjo, bagpipe ducks | Common | | Food | Avocado, sushi, watermelon | Common | | Jobs | Painter, farmer, construction worker | Common |

Video Highlights:

• A full sorting session that grows stored ducks from 867 to the 1,000 milestone
• Multiple alien ducks identified, carried, and delivered to the space section
• Upgrade decisions covering inventory size, storage capacity, and the throwing option
• Dozens of completed sections, including pirates, music, food, countries, and space

The space category is broader than most players expect. Beyond the alien duck itself, the row collects every cosmic-themed variant the game generates. Knowing the full family prevents second-guessing at the drop-off and speeds up your sorting rhythm considerably.

| Duck Type | Correct Section | Confusion Risk | Sorting Tip | | Alien duck | Space | Swimmer duck | Confirm the cosmic theme before dropping | | White astronaut | Space | Low | Helmet design is distinct | | Orange astronaut | Space | Construction worker | Orange gear resembles job ducks | | Moon duck | Space / Weather | Music duck | Round shape gets misread as an instrument | | Space pirate | Space or Pirates | Standard pirate | Decide pirate versus space theme first |

A few patterns from live sorting sessions are worth internalizing. The moon duck gets misread as a music duck because of its round, pale silhouette. Orange astronauts draw the eye toward the jobs section since construction workers wear similar tones. And space pirates sit right on the border between two categories, which makes them one of the slowest ducks in the game to place confidently.

A reliable alien-sorting routine keeps your inventory efficient and your map clean. Follow this sequence each time you commit to a space pass.

Upgrades are the backbone of long-term sorting efficiency. Three options shape every session, and choosing the right order matters more than raw playtime.

| Upgrade | What It Does | Priority | When to Buy | | Inventory size | More carry slots per trip | High | As soon as money allows | | Storage capacity | Raises the stored-duck limit | High | Before long farming sessions | | Throwing | Lets you toss ducks at sections | Situational | After inventory is comfortable |

The storage upgrade deserves special attention. Crossing the 1,000 stored-duck threshold is a meaningful checkpoint — it confirms your sorting system works at scale and signals that the remaining collection, often thousands of ducks, is a matter of sessions rather than luck. Balance your spending so inventory grows alongside storage rather than one lagging behind.

Mis-sorts are the hidden tax on every sorting session. Each wrongly placed duck costs you a discovery trip later, when your inventory is full and your memory of the map has faded. These are the mix-ups that show up most often around the space category.

| Mix-Up | Why It Happens | Fix | | Alien vs. swimmer | Similar silhouette and pose | Check for cosmic details before dropping | | Moon vs. music | Round shape reads as an instrument | Look for night-sky cues instead | | Orange astronaut vs. construction | Shared orange color palette | A helmet means space, not jobs | | Space pirate vs. pirate | Dual theme fits two rows | Check which section still needs members |

When a duck stumps you completely, the professional habit is to set it down near its most likely section rather than carrying it indefinitely. A mystery duck occupying an inventory slot blocks four or five certain pickups, and the space it frees up is almost always worth more than the answer you are waiting for.