A Number Ring in
Silent Forest Zone
3. The rest of the numbers are also seen briefly on the background.
Floating green numbers with rings around them that grant a bonus when collected in the right order.
Number Rings are recurring objects in the  . They are a set of unique rings that reward the player if they are collected in the right order.
Sonic the Hedgehog series
The Number Rings resemble giant green floating numbers surrounded by a circle of smaller green dishes. They always appear in sets of five, each of them displaying a different number from 1 to 5.
In gameplay, the player can earn in-game bonuses by collecting all five local Number Rings in descending order of their display value (first collect the Number Ring showing "5", then the one showing "4", then the one showing "3" and so forth). The playable character merely has to walk into the Number Ring to collect it. If the player obtains the Number Rings in an incorrect order, the remainder of the Number Rings will disappear and the player will miss out on a reward.
Sonic Lost World
The Number Rings first appeared in the
Wii U/ PC version of . In gameplay, the Number Ring sets appear within a general area inside a Sonic Lost World Zone. Should the player successfully collect all Number Rings, they can earn a 1-Up. If the player fails to collect them in the right order however, they will all disappear and not reappear until the player restarts the Zone.
The Number Rings are typically placed in areas with an emphasis on running or
Number Rings in
, the Number Rings' appearance and function are identical to that of Sonic Forces . In gameplay, Number Rings only appear in subsequent playthroughs of a stage after all the Sonic Lost World Red Star Rings of that stage have been collected. After collecting all five Number Rings, the player is simply awarded bonus points and after the stage is finished, the player can then start to collect Silver Moon Rings in subsequent playthroughs. When playing the stage again, the Number Rings take on a faded appearance but can still be collected like before.
↑ Sonic Team (7 November 2017).
. Sega. " Sonic Forces Sonic Teaches Numbers Achievement: Collected Number Rings three times"
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