Progression
Engineering achievements, unlocks & career track
Senior Engineer· Lv. 14
14
player_one
Senior Engineer
Level 14
XP Progress3,840 / 5,000
77% to Level 15+1,160 XP needed
Engineering Score847
Latency
92
Uptime
88
Scale
71
Sessions
28
Peak Uptime
99.94%
Blocks Deployed
142
Credits Earned
48.2k
XP per Session
Engineering experience gained
Credits Flow
Earned vs spent per session
System Scale Growth
RPS capacity over sessions
Achievements
6 / 12 unlocked
Common
First Deploy
Place your first server block in the world
✓ Unlocked Day 1+50 XP
Common
Connected
Draw your first connection between two blocks
✓ Unlocked Day 1+75 XP
Common
Traffic Alive
Achieve 1,000 RPS through your architecture
✓ Unlocked Day 2+150 XP
Rare
Five Nines
Maintain 99.999% uptime for 10 consecutive minutes
✓ Unlocked Day 4+500 XP
Common
Data Architect
Deploy 3 database blocks with active connections
✓ Unlocked Day 5+200 XP
Common
Edge Deployed
Add a CDN node and route traffic through it
✓ Unlocked Day 6+180 XP
Rare
Scale King
Reach 5,000 RPS with error rate below 1%
2,420 / 5,00048%
+750 XP on unlock
Rare
No Cascade
Survive a traffic spike without a single node failing
1 / 333%
+400 XP on unlock
Common
Night Shift
Keep your system running for a full 60-minute session
28 / 6047%
+300 XP on unlock
Epic
Block Hoarder
Deploy 20 blocks simultaneously in one world
8 / 2040%
+600 XP on unlock
Epic
Microservices Maestro
Run 5 microservice blocks with zero errors for 5 minutes
1 / 520%
+900 XP on unlock
Legendary
Distinguished Architecture
Reach an engineering score above 950
847 / 95089%
+2000 XP on unlock
Milestone Timeline
7 milestones reached
Reached Senior Engineer
+1000 XPHit Level 11 — unlocked T2 load balancers and advanced routing
Session 22
Zero-Downtime Deployment
+500 XPUpgraded pg-main from T1 to T2 without dropping any packets
Session 20
Crossed 2,000 RPS
+400 XPArchitecture handled 2,000+ requests/sec for 5 continuous minutes
Session 17
First Microservice
+250 XPDeployed auth-svc and connected it to both the database and cache
Session 14
Engineering Score 800+
+600 XPBalanced latency, uptime, and scale scores to exceed 800 total
Session 12
Survived Traffic Spike
+350 XPWeathered a 4× traffic spike with error rate staying below 3%
Session 9
First Full Architecture
+200 XPGateway → LB → 2 Servers → Database pipeline fully operational
Session 3
Block Catalog
11 unlocked · 5 locked
Server T1
120 cr
Basic compute node. Handles moderate request loads.
Max RPS800
CPU Cap4 vCPU
Memory8 GB
Server T2
280 cr
Upgraded compute with higher throughput capacity.
Max RPS2,000
CPU Cap8 vCPU
Memory32 GB
Load Balancer T1
200 cr
Round-robin distribution across backend servers.
Targets8 max
AlgorithmRound-robin
Health check5s
Load Balancer T2
450 cr
Weighted least-connection with health-aware routing.
Targets32 max
AlgorithmLeast-conn
Health check1s
Database T1
300 cr
Single-node relational database. No replication.
Max Conn100
Storage100 GB
IOPS3,000
Database T2
680 cr
Primary + read replica with automatic failover.
Max Conn500
Storage1 TB
IOPS16,000
CDN Node
180 cr
Single-region edge caching for static assets.
PoPs1 region
Cache TTL3600s
Bandwidth10 Gbps
Global CDN
420 cr
Multi-region CDN with intelligent routing.
PoPs12 regions
Cache TTLDynamic
Bandwidth100 Gbps
+1 levels to unlock
API Gateway T1
250 cr
Basic rate limiting, auth, and request routing.
Rate limit1k req/s
AuthAPI Key
Routes50 max
API Gateway T2
580 cr
JWT auth, circuit breaker, advanced routing.
Rate limit10k req/s
AuthJWT/OAuth
RoutesUnlimited
+4 levels to unlock
Microservice T1
150 cr
Isolated containerized service with 256 MB memory.
Memory256 MB
Replicas1
RestartAuto
Microservice T2
340 cr
Auto-scaling container with 2 GB memory and 3 replicas.
Memory2 GB
Replicas3 auto
RestartAlways
Pipeline T1
220 cr
Sequential data processing with 10k events/sec.
Throughput10k/s
Retention24h
Partitions4
Pipeline T2
500 cr
Parallel streaming pipeline with 500k events/sec.
Throughput500k/s
Retention7 days
Partitions64
+6 levels to unlock
Cache T1
100 cr
In-memory key-value store, 512 MB capacity.
Memory512 MB
Hit rate~85%
EvictionLRU
Cache Cluster T2
240 cr
Clustered cache with 16 GB and replication.
Memory16 GB
Hit rate~96%
EvictionLFU+LRU
+8 levels to unlock