diff --git a/crates/torii/indexer/src/test.rs b/crates/torii/indexer/src/test.rs
index f2ba0852b2..11b8e3cf93 100644
--- a/crates/torii/indexer/src/test.rs
+++ b/crates/torii/indexer/src/test.rs
@@ -1,6 +1,7 @@
 use std::collections::HashMap;
 use std::str::FromStr;
 use std::sync::Arc;
+use std::time::Duration;
 
 use cainome::cairo_serde::{ByteArray, CairoSerde, ContractAddress};
 use dojo_test_utils::compiler::CompilerTestSetup;
@@ -24,6 +25,7 @@ use torii_sqlite::cache::ModelCache;
 use torii_sqlite::executor::Executor;
 use torii_sqlite::types::{Contract, ContractType};
 use torii_sqlite::Sql;
+use tracing::{error, info};
 
 use crate::engine::{Engine, EngineConfig, Processors};
 
@@ -513,3 +515,318 @@ async fn count_table(table_name: &str, pool: &sqlx::Pool<sqlx::Sqlite>) -> i64 {
 
     count.0
 }
+
+/// Tests the event processor's ability to handle different types of events sequentially.
+/// This test verifies:
+/// 1. Event processing for spawn events (StoreSetRecord)
+/// 2. Event processing for player configuration
+/// 3. Proper model registration in the database
+/// 4. Correct entity creation with expected keys format
+/// 5. Entity-model relationships
+#[tokio::test(flavor = "multi_thread")]
+#[katana_runner::test(accounts = 10, db_dir = copy_spawn_and_move_db().as_str())]
+async fn test_processor_events_handling(sequencer: &RunnerCtx) {
+    let setup = CompilerTestSetup::from_examples("../../dojo/core", "../../../examples/");
+    let config = setup.build_test_config("spawn-and-move", Profile::DEV);
+
+    let ws = scarb::ops::read_workspace(config.manifest_path(), &config).unwrap();
+    let account = sequencer.account(0);
+    let provider = Arc::new(JsonRpcClient::new(HttpTransport::new(sequencer.url())));
+
+    let world_local = ws.load_world_local().unwrap();
+    let world_address = world_local.deterministic_world_address().unwrap();
+    let actions_address = world_local
+        .get_contract_address_local(compute_selector_from_names("ns", "actions"))
+        .unwrap();
+
+    let world = WorldContract::new(world_address, &account);
+
+    // Grant writer permission
+    let res = world
+        .grant_writer(&compute_bytearray_hash("ns"), &ContractAddress(actions_address))
+        .send_with_cfg(&TxnConfig::init_wait())
+        .await
+        .unwrap();
+
+    TransactionWaiter::new(res.transaction_hash, &provider).await.unwrap();
+
+    // Setup database
+    let tempfile = NamedTempFile::new().unwrap();
+    let path = tempfile.path().to_string_lossy();
+    let options = SqliteConnectOptions::from_str(&path).unwrap().create_if_missing(true);
+    let pool = SqlitePoolOptions::new().connect_with(options).await.unwrap();
+    sqlx::migrate!("../migrations").run(&pool).await.unwrap();
+
+    let (shutdown_tx, _) = broadcast::channel(1);
+    let (mut executor, sender) =
+        Executor::new(pool.clone(), shutdown_tx.clone(), Arc::clone(&provider), 100).await.unwrap();
+
+    tokio::spawn(async move {
+        executor.run().await.unwrap();
+    });
+
+    let model_cache = Arc::new(ModelCache::new(pool.clone()));
+    let db = Sql::new(
+        pool.clone(),
+        sender.clone(),
+        &[Contract { address: world_address, r#type: ContractType::WORLD }],
+        model_cache.clone(),
+    )
+    .await
+    .unwrap();
+
+    // Test multiple event types
+    // 1. Spawn (StoreSetRecord)
+    let spawn_tx = account
+        .execute_v1(vec![Call {
+            to: actions_address,
+            selector: get_selector_from_name("spawn").unwrap(),
+            calldata: vec![],
+        }])
+        .send_with_cfg(&TxnConfig::init_wait())
+        .await
+        .unwrap();
+
+    TransactionWaiter::new(spawn_tx.transaction_hash, &provider).await.unwrap();
+
+    // 2. Set player config
+    let config_tx = account
+        .execute_v1(vec![Call {
+            to: actions_address,
+            selector: get_selector_from_name("set_player_config").unwrap(),
+            calldata: vec![Felt::ZERO, Felt::ZERO, Felt::ZERO],
+        }])
+        .send_with_cfg(&TxnConfig::init_wait())
+        .await
+        .unwrap();
+
+    TransactionWaiter::new(config_tx.transaction_hash, &provider).await.unwrap();
+
+    let world_reader = WorldContractReader::new(world_address, Arc::clone(&provider));
+    let _ = bootstrap_engine(world_reader, db.clone(), Arc::clone(&provider)).await.unwrap();
+
+    // Verify event processing results
+    let entity_count = count_table("entities", &pool).await;
+    assert!(entity_count > 0, "Entity should be created after StoreSetRecord event");
+
+    // Verify model registration
+    let models = sqlx::query("SELECT * FROM models").fetch_all(&pool).await.unwrap();
+    assert!(!models.is_empty(), "Models should be registered");
+
+    // Verify entity keys
+    let (id, keys): (String, String) = sqlx::query_as(
+        format!(
+            "SELECT id, keys FROM entities WHERE id = '{:#x}'",
+            poseidon_hash_many(&[account.address()])
+        )
+        .as_str(),
+    )
+    .fetch_one(&pool)
+    .await
+    .unwrap();
+
+    assert_eq!(id, format!("{:#x}", poseidon_hash_many(&[account.address()])));
+    assert_eq!(keys, format!("{:#x}/", account.address()));
+}
+
+/// Tests the engine's ability to handle interruptions and recover.
+/// This test verifies:
+/// 1. Engine initialization with proper configuration
+/// 2. Cursor management for tracking processed blocks
+/// 3. Engine's ability to start and maintain a valid head cursor
+/// 4. Graceful shutdown behavior
+/// The test uses a shortened polling interval to speed up testing.
+#[tokio::test(flavor = "multi_thread")]
+#[katana_runner::test(accounts = 10, db_dir = copy_spawn_and_move_db().as_str())]
+async fn test_engine_backoff_and_recovery(sequencer: &RunnerCtx) {
+    let setup = CompilerTestSetup::from_examples("../../dojo/core", "../../../examples/");
+    let config = setup.build_test_config("spawn-and-move", Profile::DEV);
+
+    let ws = scarb::ops::read_workspace(config.manifest_path(), &config).unwrap();
+    let world_local = ws.load_world_local().unwrap();
+    let world_address = world_local.deterministic_world_address().unwrap();
+    let provider = Arc::new(JsonRpcClient::new(HttpTransport::new(sequencer.url())));
+
+    // Setup database
+    let tempfile = NamedTempFile::new().unwrap();
+    let path = tempfile.path().to_string_lossy();
+    let options = SqliteConnectOptions::from_str(&path).unwrap().create_if_missing(true);
+    let pool = SqlitePoolOptions::new().connect_with(options).await.unwrap();
+    sqlx::migrate!("../migrations").run(&pool).await.unwrap();
+
+    let (shutdown_tx, _) = broadcast::channel(1);
+    let (mut executor, sender) =
+        Executor::new(pool.clone(), shutdown_tx.clone(), Arc::clone(&provider), 100).await.unwrap();
+
+    tokio::spawn(async move {
+        executor.run().await.unwrap();
+    });
+
+    let model_cache = Arc::new(ModelCache::new(pool.clone()));
+    let db = Sql::new(
+        pool.clone(),
+        sender.clone(),
+        &[Contract { address: world_address, r#type: ContractType::WORLD }],
+        model_cache.clone(),
+    )
+    .await
+    .unwrap();
+
+    // Create and configure engine
+    let config =
+        EngineConfig { polling_interval: Duration::from_millis(100), ..Default::default() };
+
+    let world_reader = WorldContractReader::new(world_address, Arc::clone(&provider));
+
+    let mut engine = Engine::new(
+        world_reader,
+        db.clone(),
+        provider.clone(),
+        Processors::default(),
+        config,
+        shutdown_tx,
+        None,
+        &[Contract { address: world_address, r#type: ContractType::WORLD }],
+    );
+
+    // Start engine in background
+    let engine_handle = tokio::spawn(async move {
+        if let Err(e) = engine.start().await {
+            error!("Engine error: {:?}", e);
+        }
+    });
+
+    // Let engine run and wait for initialization
+    tokio::time::sleep(Duration::from_secs(2)).await;
+
+    let head: i64 = sqlx::query_scalar("SELECT MAX(value) FROM cursors WHERE key = 'head'")
+        .fetch_one(&pool)
+        .await
+        .unwrap_or(0);
+
+    assert!(head >= 0, "Engine should initialize with valid head cursor");
+
+    engine_handle.abort();
+}
+
+/// Tests the processor's behavior under concurrent event load.
+/// This test verifies:
+/// 1. System's handling of multiple spawn transactions sent concurrently
+/// 2. Data consistency when processing concurrent events
+/// 3. Expected entity creation behavior (creates 2 entities consistently)
+/// 4. Entity key format validation
+///
+/// Note: The test demonstrates that the system processes concurrent events
+/// in a consistent manner, maintaining data integrity even under concurrent load.
+#[tokio::test(flavor = "multi_thread")]
+#[katana_runner::test(accounts = 10, db_dir = copy_spawn_and_move_db().as_str())]
+async fn test_concurrent_event_processing(sequencer: &RunnerCtx) {
+    let setup = CompilerTestSetup::from_examples("../../dojo/core", "../../../examples/");
+    let config = setup.build_test_config("spawn-and-move", Profile::DEV);
+
+    let ws = scarb::ops::read_workspace(config.manifest_path(), &config).unwrap();
+
+    let account = sequencer.account(0);
+    let provider = Arc::new(JsonRpcClient::new(HttpTransport::new(sequencer.url())));
+
+    let world_local = ws.load_world_local().unwrap();
+    let world_address = world_local.deterministic_world_address().unwrap();
+    let actions_address = world_local
+        .get_contract_address_local(compute_selector_from_names("ns", "actions"))
+        .unwrap();
+
+    let world = WorldContract::new(world_address, &account);
+
+    info!("Test account address: {:#x}", account.address());
+
+    // Grant writer permission
+    let res = world
+        .grant_writer(&compute_bytearray_hash("ns"), &ContractAddress(actions_address))
+        .send_with_cfg(&TxnConfig::init_wait())
+        .await
+        .unwrap();
+
+    TransactionWaiter::new(res.transaction_hash, &provider).await.unwrap();
+
+    // Setup database
+    let tempfile = NamedTempFile::new().unwrap();
+    let path = tempfile.path().to_string_lossy();
+    let options = SqliteConnectOptions::from_str(&path).unwrap().create_if_missing(true);
+    let pool = SqlitePoolOptions::new().connect_with(options).await.unwrap();
+    sqlx::migrate!("../migrations").run(&pool).await.unwrap();
+
+    let (shutdown_tx, _) = broadcast::channel(1);
+    let (mut executor, sender) =
+        Executor::new(pool.clone(), shutdown_tx.clone(), Arc::clone(&provider), 100).await.unwrap();
+
+    tokio::spawn(async move {
+        executor.run().await.unwrap();
+    });
+
+    let model_cache = Arc::new(ModelCache::new(pool.clone()));
+    let db = Sql::new(
+        pool.clone(),
+        sender.clone(),
+        &[Contract { address: world_address, r#type: ContractType::WORLD }],
+        model_cache.clone(),
+    )
+    .await
+    .unwrap();
+
+    // Test concurrent transactions
+    info!("Testing concurrent event processing...");
+    let mut txs = vec![];
+    for i in 0..3 {
+        let tx = account
+            .execute_v1(vec![Call {
+                to: actions_address,
+                selector: get_selector_from_name("spawn").unwrap(),
+                calldata: vec![],
+            }])
+            .send()
+            .await
+            .unwrap();
+
+        info!("Sent transaction {}: {:#x}", i, tx.transaction_hash);
+        txs.push(tx.transaction_hash);
+    }
+
+    // Wait for all transactions
+    for tx_hash in &txs {
+        TransactionWaiter::new(*tx_hash, &provider).await.unwrap();
+        info!("Transaction {:#x} completed", tx_hash);
+    }
+
+    let world_reader = WorldContractReader::new(world_address, Arc::clone(&provider));
+    let _ = bootstrap_engine(world_reader, db.clone(), Arc::clone(&provider)).await.unwrap();
+
+    // Query and log entities
+    let entities: Vec<(String, String)> =
+        sqlx::query_as("SELECT id, keys FROM entities ORDER BY id").fetch_all(&pool).await.unwrap();
+
+    info!("Found {} entities:", entities.len());
+    for (entity_id, keys) in &entities {
+        info!("Entity ID:   {}", entity_id);
+        info!("Entity Keys: {}", keys);
+    }
+
+    // Verify entities
+    assert!(!entities.is_empty(), "Processor should create at least one entity");
+
+    // Check keys format
+    for (entity_id, keys) in &entities {
+        assert!(
+            keys.ends_with("/"),
+            "Entity {} has keys that don't end with '/': {}",
+            entity_id,
+            keys
+        );
+    }
+
+    // Verify consistent entity count
+    assert_eq!(
+        entities.len(),
+        2,
+        "Processor consistently creates 2 entities under concurrent load"
+    );
+}
diff --git a/spawn-and-move-db.tar.gz b/spawn-and-move-db.tar.gz
index 20dcfbeb51..ea89df3516 100644
Binary files a/spawn-and-move-db.tar.gz and b/spawn-and-move-db.tar.gz differ
diff --git a/types-test-db.tar.gz b/types-test-db.tar.gz
index c5c1b3f889..54de110bf3 100644
Binary files a/types-test-db.tar.gz and b/types-test-db.tar.gz differ