Read priority first
The manifest must be completed from P1 upward. If the front cargo is not next, hold it instead of routing it.
Space Cargo Dispatcher
A mobile-first queue programming game with 120 verified levels, daily missions, sound effects, anonymous URL challenges, and a strategy guide.
Manage a FIFO queue with hold, priority, and destination-routing commands across 120 algorithm-verified cargo missions.
Level 99
⏱ 0:00
🚚 Dispatch queueFIFO
📦C03🌙 P3
📦C07🌍 P7
📦C06🌍 P6
📦C02🟠 P2
📦C01🌙 P1
📦C05🟠 P5
📦C04🟠 P4
📋 Priority manifest
1🌙
2🟠
3🌙
4🟠
5🟠
6🌍
7🌍
🧩 Dispatch program
0/27Up to 27
Find the next priority cargo. Hold the front item or route it to the correct dock.
YouToStem · Strategy
📘 Space Cargo Dispatcher Strategy Guide
Then check destination
Once the priority is correct, match its Luna, Mars, Jupiter, or Terra marker to the corresponding dock.
Visualize the queue
Hold moves the front cargo to the back. On harder levels, simulate one queue rotation before adding commands.
Repeat with care
Use Repeat Previous only for consecutive identical actions. It shortens a program, but also repeats mistakes.
❓ Space Cargo Dispatcher FAQ
How do you play Space Cargo Dispatcher?
Process the queue in manifest priority order. Hold the front item if it is not next; otherwise route it to the dock matching its destination, then run the program.
Which programming skills does the game teach?
It practices FIFO queues, state changes, command sequences, priority scheduling, and conditional routing. Players predict how every command changes the queue.
How do the 120 levels become harder?
Four stages grow from four to seven cargo items and from two to four destinations, with increasingly shuffled queues and longer dispatch sequences.
What does Repeat Previous do?
It executes the preceding non-repeat command again, which helps with consecutive holds or routes. It cannot be the first command because there is nothing to repeat.
Is the daily challenge the same for everyone?
Yes. A date-based seed gives everyone the same puzzle that day and changes the puzzle the next day. The same solver verifies every daily mission.
Does an invited challenge require an account?
No. After a win, Invite Challenge stores the seed, command count, and time in the URL so a friend can play the identical queue.
Why is there no game sound?
Mobile browsers usually require a first tap before audio can play. Adding any command activates sound, and the speaker button can mute or enable it.
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